Items tagged “craig”

10 results found
Article

Cerebral vascular territories

An understanding of cerebral vascular territories is important in understanding stroke and complications from surgery and endovascular procedures.  Although one could be excused for thinking that within the brain, such a carefully organised organ, blood supply would be constant, the truth is th...
Article

Muscles of the lower limb

The muscles of the lower limb are numerous and complex. Their origins and insertions are difficult to remember, and they are best considered as parts of general functional groups. iliopsoas psoas major psoas minor iliacus buttocks gluteal region gluteal muscles gluteus maximus gluteus m...
Article

Middle ear

The middle ear (or tympanic cavity) is an air-filled chamber in the petrous part of the temporal bone that is split into two parts: the tympanic cavity proper (the space directly internal to the tympanic membrane) and the epitympanic recess or attic (the space superior to the membrane). It sits ...
Article

Trapezium

The trapezium (greater multangular) is one of the eight carpal bones of the hand. It is the most lateral (radial) bone of the distal row, located between the scaphoid and the first metacarpal bone . It articulates with the scaphoid proximally, the trapezoid medially, and the thumb and index meta...
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

Spinal cord

The spinal cord is the part of the central nervous system that is found within the vertebral canal of the vertebral column.  Gross anatomy It measures approximately 42-45 cm in length, ~1 cm in diameter and 35 g in weight.  It is divided into cervical, thoracic and lumbar parts and terminates...
Article

Prostate

The prostate gland is part of the male reproductive system and is the largest male accessory gland. It typically weighs between 20-40 grams with an average size of 3 x 4 x 2 cm. The prostate is comprised of 70% glandular tissue and 30% fibromuscular or stromal tissue 1-3 and provides ~30% of the...
Article

Coronary sinus

The coronary sinus is the major coronary vein. It returns the majority of the left ventricular blood flow to the right atrium. Gross anatomy The coronary sinus courses along the posterior wall of the left atrium into the left atrioventricular groove. It normally drains into the right atrium. T...
Article

Cricoid cartilage

The cricoid cartilage is a ring shaped structure that sits just below the thyroid cartilage. It is the only complete cartilaginous ring of the whole airway. Gross Anatomy The anterior portion is called the arch and the posterior quadrangular shaped portion is the lamina. It articulates with th...
Article

Arytenoid cartilage

The arytenoid cartilages are paired hyaline cartilages that articulate with the sloping upper border of the lamina of the cricoid cartilage by the cricoarytenoid joint. This joint allows movement of the arytenoid cartilages, which is vital in approximating, tensing and relaxing the vocal folds. ...

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