Items tagged “anatomy”

Supra bulla frontal cells are an anatomical variant of the paranasal sinuses, included in the International Frontal Sinus Anatomy Classification. Gross anatomy Cell that originates in the supra-bulla region and pneumatizes along the skull base into the posterior region of the frontal sinus. Th...

The glenoid bare spot, or glenoid bare area, is a small central or slightly eccentric area of the inferior glenoid fossa, where the articular cartilage is markedly thinner or completely absent 2. It is considered to be a normal aging-related phenomenon 1. Epidemiology The glenoid bare spot can...

The trochlea is a cartilaginous structure acting as a pulley for the superior oblique muscle of the eye.  Gross anatomy The trochlea inserts on the trochlear fovea and spine located on the anteromedial part of the orbital roof. The tendon of superior oblique muscle passes through it 1. Functi...

The right gastric vein, also known as pyloric vein, forms part of the venous drainage network of the stomach and proximal duodenum. It is a tributary of the portal vein. Gross anatomy Location The right gastric vein courses parallel to the right gastric artery adjacent to the lesser curvature...

The anococcygeal raphe (plural: anococcygeal raphes or raphae), also known as the anococcygeal ligament or anococcygeal body refers to the midline structure that connects the anorectal junction to the coccyx. It is composed of bilateral interdigitating fibers from the iliococcygeal and pubococcy...

The nail unit or nail apparatus refers to a group of distal digital structures involved in the function and support of the nail plate. Gross anatomy Structures of the distal phalanx composing the nail unit include 1: nail plate nail matrix nail bed periungual soft tissues eponychium (cuti...