Items tagged “anatomy”

347 results found
Article

Sphenoid bone

The sphenoid bone is a large, complex, unpaired bone forming the central parts of the anterior and central skull base. Gross anatomy Parts of the sphenoid bone include: body jugum sphenoideum greater wing lesser wing pterygoid process and plates Articulations The sphenoid bone articulat...
Article

Body of sphenoid

The body of the sphenoid bone is the midline cubical portion of the sphenoid bone, hollowed by the sphenoid air sinuses.  Gross anatomy The body has superior, inferior, anterior, posterior, and lateral surfaces. The superior surface features: ethmoidal spine: prominent spine that articulates...
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 medial cord of the brachial plexus with fibe...
Case

Intercostal space (diagram)

 Diagnosis not applicable
Assoc Prof 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

Brain ventricle anatomy diagram

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

Intercostal spaces

The intercostal spaces, also known as interspaces, 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...
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

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

Hyoid bone

The hyoid bone is a midline "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 (other than sesamoids). It is a place of convergence of multiple small neck muscles that permit the p...
Article

Linea alba

The linea 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 um...
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

Extensor carpi radialis brevis muscle

Extensor carpis radialis brevis (ECRB) muscle is a muscle of the superficial layer of the posterior compartment of the forearm. It passes through the 2nd extensor compartment of the wrist. Extensor carpi radialis brevis muscle is one of the three muscles forming the mobile wad of Henry. It is on...
Case

Labyrinthine artery: basilar artery origin

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

Calot triangle

Calot triangle or cystohepatic triangle is a small (potential) triangular space at the porta hepatis of surgical importance as it is dissected during cholecystectomy. Its contents, the cystic artery and cystic duct must be identified before ligation and division to avoid intraoperative injury. ...
Case

Ipsilateral Spigelian hernia with cryptorchidism

 Diagnosis certain
Dr Subash Thapa
Published 22 Nov 2015
95% complete
UltrasoundCT
Case

Persistent sciatic artery

 Diagnosis certain
Dr. Ala'a Salman
Published 23 Oct 2015
89% complete
CT
Case

Aberrant right subclavian artery

 Diagnosis certain
Dr Hani Makky Al Salam
Published 13 Aug 2016
98% complete
CTX-ray
Case

Bilateral accessory superior acetabular notches

 Diagnosis probable
Dr Henry Knipe
Published 12 Jan 2016
61% complete
CTX-ray