Items tagged “anatomy”

276 results found
Article

Brachial plexus

The brachial plexus is a complex neural network formed by lower cervical and upper thoracic ventral nerve roots which supplies motor and sensory innervation to the upper limb and pectoral girdle. It is located in the neck extending into the axilla posterior to the clavicle. Summary origin: ven...
Case

Superior pericardial recess

 Diagnosis certain
A.Prof Frank Gaillard
Published 08 Oct 2009
65% complete
CT
Article

Dorsal scapular nerve

The dorsal scapular nerve is a branch from the C5 root of the brachial plexus and supplies the rhomboid muscles. Gross anatomy Origin Posterior aspect of the C5 root of the brachial plexus. Course It courses through scalenus medius then accompanies the dorsal scapular vessels inferiorly, de...
Article

Medial pectoral nerve

The medial pectoral nerve, also known as the medial anterior thoracic nerve arises from the medial cord of the brachial plexus and supplies both the pectoralis minor and major muscles.  Gross anatomy Origin The medial pectoral nerve arises from the medical cord of the brachial plexus with fib...
Case

Intercostal space diagram

 Diagnosis not applicable
Dr Craig Hacking
Published 19 Jun 2015
25% complete
Diagram
Article

Innermost intercostal muscles

The innermost intercostal muscles are muscles of respiration. They are the deepest intercostal muscles located in the intercostal spaces, and contract along with the internal intercostal muscles to reduce the transverse dimension of the thoracic cavity during expiration. Gross anatomy The inne...
Case

Ossicles: diagram

 Diagnosis not applicable
A.Prof Frank Gaillard
Published 25 Apr 2015
32% complete
Diagram
Case

Brain ventricle anatomy diagram

 Diagnosis not applicable
Dr Matt Skalski
Published 23 Jun 2015
29% complete
Diagram
Article

Intercostal spaces

The intercostal spaces are the space between the ribs. There are 11 spaces on each side and they are numbered according to the rib which is the superior border of the space.  Gross anatomy The intercostal spaces contain three layers of muscle: the external, internal and innermost layers with t...
Article

Punctum nervosum

Punctum nervosum, also known as Erb’s point or the nerve point of the neck, is a point half way along the posterior border of the sternocleidomastoid muscle from which all cutaneous branches of the cervical plexus converge and become superficial. Gross anatomy The punctum nervosum is located o...
Article

Hyoid bone

The hyoid is a "horseshoe-shaped" bone that serves as a structural anchor in the mid-neck. It is the only bone in the human body that does not directly articulate with another bone, sesamoids aside. It is a place of convergence of multiple small neck muscles that permit the pharyngeal phase of s...
Case

Anterior cerebral artery terminal branches

 Diagnosis not applicable
A.Prof Frank Gaillard
Published 15 May 2015
36% complete
CT
Article

Semilunar line

The semilunar line, linea semilunaris or Spigelian line is a bilateral vertical curved line in the anterior abdominal wall where the layers of the rectus sheath fuse lateral to the rectus abdominis muscle and medial to the oblique muscles. It is the site of a Spigelian hernia.
Article

Linea alba

The line alba (Latin for white line) is a single midline fibrous line in the anterior abdominal wall formed by the median fusion of the layers of the rectus sheath medial to the bilateral rectus abdominis muscles. It attaches to the xiphoid process of the sternum and the pubic symphysis. The umb...
Article

Angular gyrus

The angular gyrus is a portion of the parietal lobe of the brain. It is one of the two parts of the inferior parietal lobule, the other part being the supramarginal gyrus. It plays a part in language and number processing, memory and reasoning 1. Gross anatomy Relations It lies as a horseshoe...
Article

Hepatic veins

The hepatic veins are three large veins which drain the hepatic parenchyma into the inferior vena cava (IVC), named the right hepatic vein, middle hepatic vein and left hepatic vein. The veins are important landmarks, running in between and hence defining the segments of the liver. There are sep...
Article

Lumbar plexus

The lumbar plexus is a complex neural network formed by the lower thoracic and lumbar ventral nerve roots (T12 to L5) which supplies motor and sensory innervation to the lower limb and pelvic girdle. Summary origin: ventral rami of T12 to L5 course: formed within the substance of the psoas ma...
Article

Extensor carpi radialis brevis muscle

Extensor carpis radialis brevis (ECRB) is a muscle of superficial layer on posterior compartment of the forearm. It passes through the 2nd extensor compartment of the wrist. ECRB is one of the three muscles forming the mobile wad of Henry. Summary origin: lateral epicondyle of the humerus, ann...
Case

Labyrinthine artery: basilar artery origin

 Diagnosis not applicable
Dr Henry Knipe
Published 01 Oct 2015
39% complete
MRI
Case

Fetal origin of the posterior cerebral artery

 Diagnosis certain
Dr Dalia Ibrahim
Published 21 Jan 2014
62% complete
CT

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