Category: V

Congenital closure or absence of the vagina.  

The first branch of the subclavian artery, supplying blood to the cervical vertebrae and the basilar artery.  

Small passage reaching from the vestibule to the posterior surface of the temporal bone’s petrous section.  

The inability to form words or speak, despite the ability to use oral and facial muscles to make sounds.  

Congenital anomaly in a female in which the anus is imperforate but there is an opening from the rectum to the vagina.  

A neurological syndrome in which patients who cannot see deny that they are blind. An excuse such as “I lost my glasses” may be offered. The lesion is in the visual association areas of the cortex of the brain.  

The position of the dental x-ray tube head in the vertical plane, measured in degrees. The central ray is directed perpendicular to the film and the tooth when using the paralleling imaging technique. When using the bisecting angle technique, the central ray is directed perpendicular to the bisector. Errors in calculating the vertical angulation produce…

The angle formed by the junction of the internal jugular and subclavian veins.  

Chest pain that results from the spasm of coronary arteries rather than from exertion or other increased demands on the heart. The pain typically occurs at rest. During coronary catheterization the spasm is usually found near an atherosclerotic plaque, often in the right coronary artery. Infusions of ergonovine may provoke it. On the electrocardiogram, the…

Localized expansion and weakening of the wall of a vein.