Items tagged “craig”

7 results found
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Brain arterial vascular territories

An understanding of brain arterial 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 organized organ, blood supply would be constant, the truth...
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...
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Trapezium

The trapezium (also known as the 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 thu...
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Spinal cord

The spinal cord is the part of the central nervous system found within the vertebral column's spinal canal. The cord extends from the corticomedullary junction at the foramen magnum of the skull down to the tip of the conus medullaris within the lumbar cistern. It is lined by the spinal pia mate...
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Coronary sinus

The coronary sinus is the largest cardiac venous structure. It returns the majority of the blood supply for the left ventricle 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 int...
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Cricoid cartilage

The cricoid cartilage is a ring-shaped laryngeal cartilage that sits below the thyroid cartilage and above the tracheal rings, at the level of the C6 vertebra. It is the only complete cartilaginous ring of the whole airway. Gross anatomy It consists of a thinner anterior portion, called the ar...
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Arytenoid cartilage

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