Search results for “also”
1,411 results found
Article
Phalanges of the hands
The phalanges (single: phalanx) of the hands are the tubular bones of the fingers and thumb. The second to fifth fingers each contain a proximal, middle and distal phalanx whereas the thumb only contains a proximal and distal phalanx.
Gross anatomy
Osteology
The middle and proximal phalanges ...
Article
Rule of 4 of the brainstem
The rule of 4 of the brainstem elegantly simplifies and explains the anatomy of the brainstem and the basis for various brainstem stroke syndromes. This article summarizes the original four rules 1-3, associated important clinical deficits, important exceptions, and provides two examples of thei...
Article
Azygos venous system
The azygos venous system , also known as just the azygos system, is a collective term given to the H-shaped configuration of the azygos, hemiazygos, accessory hemiazygos and left superior intercostal veins.
It is responsible for draining the thoracic wall and upper lumbar region via the lumbar ...
Article
Inferior rectal nerve
The inferior rectal nerve, also known as the inferior anal nerve or inferior hemorrhoidal nerve, is a branch of the pudendal nerve which is derived from S2, S3 and S4 nerve roots of the sacral plexus. The nerve provides sensory innervation to the anal canal inferior to the pectinate line and mot...
Article
Arnold's nerve
Arnold's nerve, also known as the auricular branch or mastoid branch, of the vagus nerve (CN X) is a small sensory nerve supplying the skin of the external acoustic meatus.
Terminology
The greater occipital nerve has also been known in the past - confusingly - as the nerve of Arnold.
The use...
Article
Facial nerve
The facial nerve is the seventh (CN VII) cranial nerve and comprises two roots, a motor root and a smaller mixed sensory, taste and parasympathetic root, known as nervus intermedius, which join together within the temporal bone (TA: nervus facialis or nervus cranialis VII).
The facial nerve has...
Article
Bicuspid aortic valve
Bicuspid aortic valve (BAV) refers to a spectrum of deformed aortic valves with two functional leaflets or cusps which are often unequal in size.
They are most often congenital while an acquired bicuspid valve occurs when there is fibrous fusion between the right and left cusps of a pre-existin...
Article
Knee menisci
The knee menisci are fibrocartilaginous structures that sit within the knee joint, deepening the tibiofemoral articulation. Their main role is shock absorption, improve stability of the knee joint, and load transmission. They also play an important role in synovial fluid dynamic circulation and ...
Article
Pituitary gland
The pituitary gland (a.k.a. hypophysis cerebri), together with its connections to the hypothalamus, acts as the main endocrine interface between the central nervous system and the rest of the body.
Gross anatomy
The pituitary gland sits atop the base of the skull in a concavity within the sph...
Article
Liver
The liver is the largest abdominal organ. It plays a major role in metabolism and has many functions, including glycogen storage, decomposition of red blood cells, plasma protein synthesis, hormone production, and detoxification. It is one of the very few organs that has the ability to regenerat...
Article
Spinal meninges
The spinal meninges (singular: meninx) are contained within the spinal canal and encase the spinal cord, spinal nerve roots and the cauda equina.
Gross anatomy
They are composed of three layers (outer to inner)
dura mater (also known as theca or pachymeninx)
arachnoid mater
pia mat...
Article
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...
Article
Middle ear
The middle ear or middle ear cavity, also known as tympanic cavity or tympanum (plural: tympanums/tympana), is an air-filled chamber in the petrous part of the temporal bone. It is separated from the external ear by the tympanic membrane, and from the inner ear by the medial wall of the tympanic...
Article
Intercostal nerve
The intercostal nerves are the somatic nerves that arise from the anterior divisions of the thoracic spinal nerves from T1 to T11. These nerves in addition to supplying the thoracic wall also supply the pleura and peritoneum.
Gross anatomy
Intercostal nerves can be divided into atypical and ty...
Article
Humerus
The humerus (plural: humeri) is a tubular bone of the arm that articulates proximally at the shoulder with the glenoid of the scapula, and distally at the elbow, with the radius and ulna.
Gross anatomy
Osteology
The humerus begins proximally as a rounded head and joins the greater and lesser ...
Article
Intervertebral foramen
The intervertebral foramina, commonly also called the neural foramina, allow passage of structures out of and into the vertebral canal.
Gross anatomy
Boundaries
anterior: lower posterolateral aspect of a vertebral body and the intervertebral disc below, in the thoracic and lumbar regions.
in...
Article
Lingual gyrus
The lingual gyrus is a tongue-shaped structure that lies on the medial aspect of the occipital lobe along the inferomedial (tentorial) surface 1.
Gross anatomy
Relations
Superiorly lies the cuneus (separated from the lingual gyrus by the calcarine sulcus).
Inferolaterally lies the fusiform g...
Article
Porta hepatis
The porta hepatis, also known as the transverse hepatic fissure, is a deep fissure in the inferior surface of the liver through which all the neurovascular structures (except hepatic veins) and also hepatic ducts enter or leave the liver 1. It runs in the hepatoduodenal ligament and contains:
c...
Article
Posterior femoral cutaneous nerve
The posterior femoral cutaneous nerve, also known as the posterior cutaneous nerve of the thigh, is a sensory branch of the sacral plexus. It arises from anterior and posterior divisions of anterior rami of S1, S2 and S3 nerves. It supplies the skin of the posterior thigh, buttock and the poster...
Article
Periosteum
The periosteum is a thin membrane of connective tissue composed of different layers covering the surface of a bone, providing structural integrity and contributing to growth and development as well as the repair of bone 1-3.
Gross anatomy
The periosteum consists of different layers in particul...
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