Articles

Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.

540 results found
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Carotid arteries

The carotid arteries is used as a collective term for: common carotid artery (CCA) and its two terminal branches external carotid artery (ECA) internal carotid artery (ICA) These arteries provide the vast majority of the arterial supply to the head and neck region and central nervous system...
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Persistent dorsal ophthalmic artery

The persistent dorsal ophthalmic artery is a rare anatomical variant of the ophthalmic artery. Instead of arising from the supraclinoid (C6) segment of the internal carotid artery, as is normally the case, the persistent dorsal ophthalmic artery arises from the lateral aspect of the cavernous (C...
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Suboccipital cavernous sinus

The suboccipital cavernous sinuses are paired venous plexuses that surround the horizontal (distal V3) portion of the vertebral arteries at the craniocervical junction. Its name derives from its resemblance to the cavernous sinus as it is a venous cushion surrounding a large arterial loop at the...
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Superficial epigastric vein

The superficial epigastric vein (TA: vena epigastrica superficialis) is an important tributary of the great saphenous vein that drains the anterior abdominal wall inferior to the level of the umbilicus. The superficial epigastric vein drains into the great saphenous vein at the saphenous openin...
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Lateral thoracic vein

The lateral thoracic vein (TA: vena thoracica lateralis) is a tributary of the axillary vein. It provides venous drainage for the axilla, anterolateral chest wall, including serratus anterior and pectoralis muscles and breast, and the supraumbilical abdominal wall. Terminology In some texts, t...
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Egyptian eye sign

"Egyptian eye sign" or "sonographic eye sign" refers to the normal appearance of great saphenous vein on ultrasound, in transverse view 1-2. Ultrasound examination of the great saphenous vein shows echogenic fascia surrounding it, with the saphenous fascia superiorly and the muscular fascia inf...
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Deep artery of the penis

The deep artery of the penis, also known as cavernosal artery, is one of the two terminal branches of the internal pudendal artery. Gross anatomy Origin The internal pudendal artery bifurcates terminally into the deep artery of the penis and the dorsal artery of the penis at the anterior marg...
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Dorsal artery of the penis

The dorsal artery of the penis is one of the two terminal branches of the internal pudendal artery.  Gross anatomy Origin The internal pudendal artery bifurcates into the deep artery of the penis and the dorsal artery of the penis at the anterior margin of the perineal membrane 1. Terminatio...
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Artery to the bulb

The artery to the bulb of the penis (male) or vestibule (female) is a branch of the internal pudendal artery. It differs slightly in males and females.   Artery to the bulb of the penis Origin: internal pudendal artery, distal to the perineal artery1. a common penile artery, serving as the or...
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Perineal artery

The perineal artery arises from the internal pudendal artery and supplies some of the perineal musculature and external genitalia. Summary Origin: branches off the internal pudendal artery, arising at the level of the posterior angle of the perineal membrane Branches: it has two branches: a ...
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Middle genicular artery

The middle genicular artery (MGA) is one of the arteries of the knee joint and is a major supplicant of the anterior and posterior cruciate ligaments. Summary location: knee origin: popliteal artery supply: cruciate ligaments Gross anatomy The middle genicular artery originates from the an...
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Superior medial genicular artery

The superior medial genicular artery (SMGA) is the medial counterpart of the superior lateral genicular artery and participates in the supply of the superomedial structures of the knee and the vascularization of the patella. Summary location: knee origin: popliteal artery branches: anterior ...
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Superior lateral genicular artery

The superior lateral genicular artery (SLGA) is the lateral counterpart of the superior medial genicular artery and supplies the superolateral structures of the knee and participates in the vascularization of the patella. Summary location: knee origin: popliteal artery branches: anterior and...
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Inferior medial genicular artery

The inferior medial genicular artery (IMGA) is the medial counterpart of the inferior lateral genicular artery and supplies the inferomedial structures of the knee including the medial tibial condyle and participates in the supply of the patella. Summary location: knee origin: popliteal arter...
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Inferior lateral genicular artery

The inferior lateral genicular artery (ILGA) is the lateral counterpart of the inferior medial genicular artery and supplies the inferolateral structures of the knee and the patella. Summary location: knee origin: popliteal artery branches: cutaneous perforating branches supply: inferolater...
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Thyrolinguofacial trunk

A thyrolinguofacial trunk is a very rare pattern of branching of the anterior branches of the external carotid artery. Rather than the facial artery, lingual artery, and superior thyroid artery having their own distinct origins, all three vessels originate from a common trunk of the external car...
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Linguofacial trunk

A linguofacial trunk is a rare variation of the anterior branches of the external carotid artery. The lingual artery and facial artery share a common trunk rather than branching independently from the external carotid artery 1. Unlike the thyrolingual or thyrolinguofacial variations in which the...
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Thyrolingual trunk

A thyrolingual trunk is an anatomical variant in which the superior thyroid artery and lingual artery share a common trunk 1. This is in contrast to the typical pattern of both vessels emerging independently from the external carotid artery. Other variations of origin include a linguofacial trun...
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Central vein

A central vein refers to a major vein close to the center of the circulation, i.e. the heart. It originally referred to those large veins in which the distal tip of a catheter could lie for central venous pressure monitoring. To accurately measure the central venous pressure, which is the pressu...
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Absent azygos vein

An absent azygos vein is a very uncommon variant in which the azygos vein fails to develop. In cases of agenesis of the azygos vein, the hemiazygos and accessory hemiazygos veins play an important role in venous drainage, accounting for drainage of both the right and left intercostal veins 1-3. ...
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Bronchomediastinal trunk

The bronchomediastinal trunks (a.k.a. bronchomediastinal lymphatic trunks) are lymphatic trunks, one on each side of the body. On the left, the bronchomediastinal trunk is a tributary of the thoracic duct, and on the right, it is a tributary of the right lymphatic duct. Although, in some individ...
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Retropectoralis minor space

Retropectoralis minor space or subpectoralis minor space is the lateral most space traversed by brachial plexus and adjacent artery and vein as they pass from the axilla to the thorax, and is thus a location of potential compression leading to thoracic outlet syndrome.  It is best seen in the s...
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Viscera

The viscera (singular: viscus) refers to all the internal organs within the major cavities of the thorax, abdomen and pelvis. Therefore it does not include organs of the CNS, head and neck or musculoskeletal compartments nor does it encompass non-internal organs (e.g. the skin) 1. Splanchnology...
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Medial marginal vein

The medial marginal vein is one of two main veins of the dorsum of the foot, the lateral marginal vein being the other. The medial marginal vein is the principle tributary forming the great saphenous vein.
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Cruciate anastomosis

The cruciate anastomosis 1 forms part of the blood supply of the femoral head along with the trochanteric anastomosis and the ligamentum teres.  The medial circumflex femoral artery and the lateral circumflex femoral artery form a ring around the femoral neck. The transverse branches of these t...
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Lumbar trunk

The lumbar trunks (TA: truncus lumbalis) are paired lymphatic trunks that join to form the cisterna chyli, forming an integral part of the lymphatic system. The lumbar trunks carry lymph from the infraumbilical abdominal wall, pelvis and lower limbs 1,2. The intestinal trunk in the majority of p...
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Intestinal trunk

The intestinal trunk (TA: truncus intestinalis) is an unpaired lymphatic trunk which drains lymph (and chyle) from those portions of the GI tract which receive their blood supply from the celiac and superior mesenteric arteries. In the majority of individuals, the intestinal trunk drains into t...
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Anastamoses between internal and external carotid arteries

Multiple, highly-variable anastomoses exist between the internal and external carotid arteries. These anastomoses may not be evident on non-invasive imaging or even catheter angiography, and may only be demonstrable with elevated intra-arterial pressures or high-flow states. Internal carotid ar...
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Venae cavae

In human anatomy, the venae cavae is the collective term for the main venous great vessels that return deoxygenated blood to the right heart from the venous side of the systemic circulation, i.e. the superior vena cava (SVC) and inferior vena cava (IVC). Both venae cavae do not contain any valve...
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Dorsalis pedis artery

The dorsalis pedis artery is the principal dorsal artery of the foot. Summary location: dorsal surface of the foot, running towards the first dorsal interosseous space origin: direct continuation of the anterior tibial artery termination: as the first dorsal metatarsal artery branches: deep...
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Vieussens' arterial ring

Vieussens' arterial ring is a rare anatomic variant consisting of an anastomotic connection between the conus artery and branch vessels of the left coronary artery.  Gross anatomy The artery arises from the conus artery, a branch of the right coronary artery, and connects to the proximal right...
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Marsupial cava

Marsupial cava, also known as preaortic iliac venous confluence, is a rare anatomical variant in which the confluence of the common iliac veins is located anterior to the right common iliac artery and aortic bifurcation. Terminology The term marsupial cava is in reference to the normal anatomy...
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Superficial palmar arch

The superficial palmar arch originates as the terminal branch of the ulnar artery, distal to the flexor retinaculum 1. It is located superficial to the long flexor tendons of the digits and deep to the palmar aponeurosis. The superficial palmar arch travels distally, then laterally across the m...
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Deep palmar branch of the ulnar artery

The deep palmar branch of the ulnar artery originates from the ulnar artery near the base of the fifth metacarpal. It contributes to the arterial supply of the opponens pollicis, hypothenar and interossei muscles. It also supports the supply of the palmar aspect of the metacarpus and digits, via...
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Palmar carpal branches

The two palmar carpal branches originate from the radial and ulnar arteries, respectively. They anastomose centrally, supporting the arterial supply of the anterior aspect of the wrist via their contribution to forming the palmar carpal arch 1. The palmar carpal branch of the ulnar artery trave...
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Proper dorsal digital arteries

The proper dorsal digital arteries arise from the dorsal metacarpal arteries at the level of the metacarpophalangeal joint. They contribute to the dorsal arterial supply of the digits. The proper dorsal digital arteries travel along the medial and lateral side of the dorsal aspect of each digit...
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Venous drainage of the hand

Venous drainage of the hand is predominantly via the dorsal venous network in the superficial fascia, which extends proximally across the dorsal aspect of the metacarpus to drain laterally into the cephalic vein, and medially into the basilic vein 1. An accessory cephalic vein commonly drains pa...
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Crural arteries

Crural arteries are the arteries of the leg, distal to the popliteal artery. Usage Typically used in the context of peripheral arterial disease, the term is used to describe distal lesions, as distinct from those in the aortoiliac or femoropopliteal segments of the arterial tree. Crural arteri...
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Venous drainage of the foot

Venous drainage of the foot can be divided into two main components. Plantar veins, draining the sole (plantar surface) of the foot, and the dorsal veins which drain the dorsal surface of the foot. The veins of the foot are susceptible to several pathologies, including corona phelbectatica, vari...
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Inferior petro-occipital vein

The inferior petro-occipital vein is located immediately inferior to the petro-occipital suture and provides a communication between the internal carotid artery venous plexus of Rektorzik, or less commonly the cavernous sinus, anteromedially and the jugular bulb, or less commonly the inferior pe...
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Anterior condylar confluence

The anterior condylar confluence is an extracranial venous structure at the base of skull that communicates extensively with regional veins and dural venous sinuses.  It is located immediately anterior to the hypoglossal canal and medial to the jugular vein, just inferior to the jugular bulb an...
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Internal carotid artery venous plexus of Rektorzik

Internal carotid artery venous plexus of Rektorzik (also known as the petro-occipital venous plexus) is a plexus of small veins that surrounds the petrous segment internal carotid artery proximal to the cavernous sinus as it passes through the base of skull.  It is believed that the plexus serv...
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Marginal sinus (foramen magnum)

The marginal sinus is a dural venous sinus and runs along the inner margin of foramen magnum. It has numerous communications with regional venous structures 1-2:  anteriorly: basilar venous plexus posteriorly: occipital sinus laterally sigmoid sinus veins of the hypoglossal canal inferiorl...
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Meningo-ophthalmic artery

The meningo-ophthalmic artery is a variant arterial anatomy in which the entire supply to the ophthalmic artery derives from the middle meningeal artery. This variation represents one extreme of a spectrum of the persistence of the embryologic stapedial artery. Gross anatomy The meningo-ophtha...
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Colic branch of the ileocolic artery

The colic branch of the ileocolic artery supplies blood to the ascending colon. It courses superiorly along the left side of the ascending colon before anastomosing with the descending branch of the right colic artery to supply blood to the cecum and proximal ascending colon 1,2. 
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High division of the brachial artery

A high division of the brachial artery is an unusually proximal bifurcation of the brachial artery into its ulnar and radial branches in the upper arm. It is an anatomical variant of the arterial branching pattern of the upper limb. Description  In general, the brachial artery bifurcates into...
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Perforators of the leg and calf (venae perforantes cruris)

The perforators of the leg (venae perforantes cruris; PV; or “perforating veins”) are a subset of, and not to be confused with, the larger overarching group of perforating veins of the lower limb. This group of veins connects the superficial venous systems and deep veins in the calf and are div...
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Perforating veins of the lower limb

The perforating veins of the lower limb (PV or “perforators”) are so called because they perforate the deep fascia of muscles, to connect the superficial venous systems of the lower extremity with the deep veins where they drain. There are numerous veins in variable arrangement, connection, size...
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Venous drainage of the lower limb

The anatomy of the venous drainage of the lower limbs is extremely variable. However, there is order in the variability. The veins of the lower extremities are arranged in three systems: the superficial, the deep, and the perforating venous systems. These are located in two main compartments: th...
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Subclavian trunk

The subclavian trunks are small short paired lymphatic trunks, each one draining its respective upper limb, and formed from efferent lymphatics draining from the apical (subclavicular) subgroup of the axillary nodes. In turn the subclavian trunks pass through the cervicoaxillary canal and drain...
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Jugular trunk

The jugular trunks (TA: truncus jugularis) are small short paired lymphatic trunks, each one draining one side of the head and neck, forming an important terminal part of the lymphatic system 1-3. Gross anatomy Location the left and right jugular trunks are found in the root of the neck Orig...
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Lymphatic system

The lymphatic system (also known as the lymphoid system or systema lymphoideum in Terminologia Anatomica) is the collective term given to the lymphatic vessels and lymphoid tissues in the body 1,4. Terminology Occasionally the lymphatic system is considered with the reticuloendothelial system ...
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High-riding brachiocephalic artery

A high-riding brachiocephalic artery is a rare variant of the neck vessels in which the brachiocephalic artery passes much more superiorly than normally. It is a clinically important variant, as mistaking it for a neck lump and sampling it or neck surgery in the region may cause a devastating he...
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Lateral tentorial artery

The lateral tentorial artery also known as lateral tentorial arcade, is a branch of the meningohypophyseal trunk (MHT) which arises from the cavernous segment of the internal carotid artery. The lateral tentorial artery runs along the lateral edge of the tentorium cerebelli. Radiographic appear...
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Valveless vein

The valveless veins are veins that lack venous valves. Most veins contain valves (known as the valvula venosa in the TA) to prevent backflow, i.e. ensuring that blood flow is always towards the heart 1. Recent evidence shows that veins that were previously thought to be valveless, are now known...
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Supraduodenal artery

The supraduodenal artery (SDA) is a branch of the gastroduodenal artery (GDA). It arises soon after the origin of the GDA posterior to the first part of the duodenum and supplies the anterosuperior part of the first and second parts of the duodenum, contributing to the rich arterial anastomotic ...
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Anterior circulation

The anterior circulation is the blood supply to the anterior portion of the brain, including most of the supratentorial structures excluding the occipital lobes. The anterior circulation is supplied by the internal carotid arteries which each divide into two the large terminal branches, the ant...
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Brachioradial artery

The brachioradial artery, also known as a high origin of the radial artery, represents an anatomical variant of the arterial branching pattern of the upper limb 1,2. It represents an artery originating proximal to the cubital fossa that will go on to form the radial artery. The brachioradial art...
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Superficial circumflex iliac artery

The superficial circumflex iliac artery is the smallest cutaneous branch of the femoral artery. It contributes to the arterial supply of the anterolateral abdominal wall and groin. Summary origin: femoral artery course: pierces the fascia lata lateral to the saphenous opening and runs lateral...
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Lateral marginal vein

The lateral marginal vein (also known as the vein of Servelle or the Klippel-Trenaunay vein) is one of two known persisting embryonic veins of the leg, the persistent sciatic vein being the other. The lateral marginal vein is located on the dorsal surface of the foot and is the principle tributa...
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Pancreaticoduodenal veins

The pancreaticoduodenal veins accompany their corresponding arteries and act to drain the head of the pancreas and duodenum. Gross anatomy There are four small pancreaticoduodenal veins: posterior superior pancreaticoduodenal vein anterior superior pancreaticoduodenal vein posterior inferio...
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Pancreatic veins

The pancreatic veins drain blood from the body and tail of the pancreas. Gross anatomy The pancreatic veins comprise several small vessels that together act to drain the body and tail of the pancreas, and open into the great pancreatic vein. This subsequently drains into the splenic vein 1.
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Internal thoracic vein

The internal thoracic vein (previously known as the internal mammary vein) arises from the superior epigastric vein. It drains the chest wall and breasts.  Gross anatomy The internal thoracic vein arises from the superior epigastric vein. It forms venae comitantes to the internal thoracic arte...
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Uterine venous plexus

The uterine venous plexus is a network of veins surrounding the uterus and has extensive anastomoses with the vaginal venous plexus inferiorly and ovarian venous plexuses laterally. Gross anatomy The uterine venous plexus lies along the lateral aspects and superior angles of the uterus within ...
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Arterial vasocorona

The arterial vasocorona is part of the spinal cord blood supply and is formed by pial anastomoses between the anterior and posterior spinal arteries on the surface of the spinal cord. It encircles the cord and supplies the peripheral lateral aspect of the spinal cord.  Engorgement of arterial v...
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Ligamentum teres (disambiguation)

The term ligamentum teres can refer to the: ligamentum teres of the abdomen (round ligament) ligamentum teres of the hip
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Ligamentum teres (abdomen)

The ligamentum teres or round ligament is the fibrous cord formed by the obliterated fetal umbilical vein that runs in the free edge of the falciform ligament from the umbilicus into the left lobe of the liver.  
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Umbilicus

The umbilicus is the fibrous remnant of the fetal attachment of the umbilical cord after birth. Gross anatomy All layers of the anterior abdominal wall fuse at the umbilical ring, a small round defect in the linea alba located just inferior to the midpoint between the xiphoid process of the st...
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Venous circle of Trolard

The anastomotic venous circle of the base of the brain 1, also referred to as the venous circle of Trolard 2,3,5, is an inconsistently found venous homologue of the better-known arterial circle of Willis. It should not be confused with other venous structures also described by Trolard such as t...
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Angular artery (facial artery branch)

The angular artery is the terminal branch of the facial artery. It becomes the angular artery after the lateral nasal artery branch from the facial artery. It courses superiorly along the lateral border of the external nose to the medial canthus. It is accompanied by the angular vein which drai...
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Deltopectoral groove

The deltopectoral groove is located between the superolateral aspect of the pectoral region and the deltoid muscle. It runs obliquely from superomedial to inferolateral and contains the cephalic vein which at the upper margin of the groove dives deep to pierce the clavipectoral fascia and enter ...
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Artery of Bernasconi and Cassinari

The artery of Bernasconi and Cassinari, also known as medial or marginal tentorial artery (of Bernasconi–Cassinari), commonly arises from the cavernous segment of the internal carotid artery. Gross anatomy The artery of Bernasconi and Cassinari is ~2 cm long and is an important branch of the m...
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Alar thoracic artery

The alar thoracic artery is a rare variant arterial glandular branch of the axillary artery (usually the second part) that supplies the axillary fat, lymph nodes and skin of the axilla.
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Isthmus (disambiguation)

Isthmus (plural: isthmi) is an anatomical term and refers to a slender structure joining two larger components. Some of these uses of the word isthmus are now rarely used or only seen in older texts and articles: isthmus (aorta) isthmus (auditory tube) isthmus (auricle of the ear) isthmus (c...
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McConnell’s capsular arteries

McConnell’s capsular arteries (MCCA) are one of the three major branches of the cavernous segment of the internal carotid artery (ICA). Gross anatomy They arise from the medial wall of the cavernous ICA distal to both the meningohypophyseal trunk and the inferolateral trunk. The McConnell’s c...
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Falciform artery

The falciform artery, also known as the hepatic falciform artery (FHA) is an uncommon vascular anatomic variant that most commonly arises as the terminal branch of the middle hepatic artery which courses anteriorly through the falciform ligament into and supplying the supraumbilical anterior abd...
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Retro-aortic left brachiocephalic vein

The retro-aortic left brachiocephalic vein is a rare vascular variant where the left brachiocephalic vein passes more inferiorly through the superior mediastinum, coursing inferior to the aortic arch and posterior to the ascending aorta to join the right brachiocepahilc vein forming the superior...
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Umbilical vein

The umbilical vein is the conduit for blood returning from the placenta to the fetus until it involutes soon after birth. The umbilical vein arises from multiple tributaries within the placenta and enters the umbilical cord, along with the (usually) paired umbilical arteries. Once it enters the...
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Labeled imaging anatomy cases

This article lists a series of labeled imaging anatomy cases by body region and modality. Brain CT head: non-contrast axial CT head: non-contrast coronal CT head: non-contrast sagittal CT head: angiogram axial CT head: angiogram coronal CT head: angiogram sagittal CT head: venogram axial...
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Middle hepatic artery

The middle hepatic artery (MHA) is an intrahepatic hilar arterial branch, usually arising from the left hepatic artery, which supplies segments 4a and 4b. It runs towards the right side of the umbilical fissure. Variant anatomy it may arise from the right hepatic artery 1,2 it may arise as a ...
Article

Middle thyroid vein

The middle thyroid vein is a tributary of the internal jugular vein. Gross anatomy The middle thyroid vein arises from the lateral surface of the thyroid. It traverses laterally to the internal jugular vein, passing anterior to the common carotid artery and posterior to the sternothyroid and o...
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Right marginal artery

The right marginal artery, also known as the acute marginal artery or right intermediate atrial branch, supplies the surrounding right atrial tissues 1,2 and, in 10-15% of cases, provides the main arterial supply to the sinus node 3,4. Gross anatomy Origin It arises from the inferior border o...
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Celiacomesenteric trunk

The celiacomesenteric trunk (CMT) represents an uncommon vascular anatomical variant where both the celiac trunk and the superior mesenteric artery (SMA) have a common origin from the abdominal aorta as a single trunk. Its frequency has been reported to occur in about 1.5% of the population 1,2....
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Transverse pancreatic artery

The transverse pancreatic artery, also known as the inferior pancreatic artery, is a branch of the splenic artery that supplies the pancreatic tail and body. It arises from the proximal splenic artery and descends a short distance to run to the left along the posterior margin of the pancreas ne...
Article

Dorsal pancreatic artery

The dorsal pancreatic artery is a branch of the splenic artery that supplies the pancreas. It arises from the proximal splenic artery and descends a short distance to run along the posterior margin of the pancreas where it divides in to left and right branches. the right branches pass either an...
Article

Greater pancreatic artery

The greater pancreatic artery, also known as the pancreatica magna artery, is a branch of the splenic artery that supplies the pancreatic tail and body. It arises approximately two thirds the way along the splenic artery and descends a short distance to run to the left along the posterior margi...
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AICA-PICA dominance

AICA-PICA dominance refers to the principle that the cerebellar vascular territory supplied by the anterior inferior cerebellar artery and posterior inferior cerebellar artery have a reciprocal arrangement. That is the size of the AICA and the subsequent territory it supplies is inversely propor...
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Inferior hypophyseal artery

The inferior hypophyseal artery is a branch from the meningohypophyseal trunk, a branch of the C4 segment of the internal carotid artery. It is usually single on each side and divides into superior and inferior branches, anastomoses with its counterparts from the opposite, contributing to the in...
Article

Common femoral vein

The common femoral vein (CFV) forms from the confluence of the femoral vein and the deep femoral vein, and continues as the external iliac vein at the inguinal ligament. It accompanies the common femoral artery. Terminology "Common femoral vein" is not listed in Terminologia Anatomica, however...
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Vestibule (disambiguation)

A vestibule is an anatomical term and refers to a small cavity at the proximal end of a tube. It may refer to: vestibule (aorta) vestibule (ear) vestibule (larynx) vestibule (mouth) vestibule (nose) vestibule (esophagus) vestibule (vulva) History and etymology Vestibule derives ultimate...
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Tunica (disambiguation)

Tunica is a word used in anatomy to refer to a type of covering.  tunica adventitia (also known as tunica externa) tunica albuginea tunica albuginea (clitoris) tunica albuginea (ovary) tunica albuginea (penis) tunica albuginea (testis) tunica intima tunica media tunica vaginalis tunica...
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Prostatic venous plexus

The prostatic venous plexus (also known as Santorini's plexus) is a network of veins around the anterolateral aspect of the prostate and anterior to the bladder. Tributaries include: deep dorsal vein of the penis anterior vesical rami prostatic rami The receipt of blood from the vesical and ...
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Posterior auricular vein

The posterior auricular vein is tributary of the external jugular vein or retromandibular vein. Gross anatomy Origin and course It arises over the mastoid process of the temporal bone draining the skin behind the ear and courses anteriorly into the parotid gland, draining into the external ju...

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