A–D | E–G | H–J | K–M | N–Q | R–T | U–Z

U

Ultrasound

The use of high-frequency sound to create images of internal body structures.

V

Ventricular Drainage

Insertion of a small tube into the ventricles to drain cerebrospinal fluid, usually when pressure is increased.

Ventriculostomy

An opening into the ventricles of the brain, such as by inserting a small, thin, hollow catheter.

Vertebra

One of the 33 bones of the spinal column. A cervical, thoracic, or lumbar vertebra has a cylindrically-shaped bony anteriorly and a neural arch posteriorly (composed primarily of the laminae and pedicles as well as the other structures in the posterior aspect of the vertebra) that protects the spinal cord. The plural of vertebra is vertebrae.

Vertebral Body

From a lateral view, it is the main rectangular portion of the spine; from an overview, oval.

A–D | E–G | H–J | K–M | N–Q | R–T | U–Z