X-RAY

Application of electromagnetic radiation to produce a film or picture of a bone or soft-tissue area of the body.

VERTIGO

An abnormal sensation of rotation or movement of one’s self or the environment.

VERTEBRA

Any of the 33 bones of the spinal column.

VERMIS

Middle part of the cerebellum between the two hemispheres.

VENTRICULAR DRAINAGE

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

VENTRICULOSTOMY

An opening into the ventricles of the brain, achieved by inserting a small, thin, hollow catheter. Serves as a means to relieve pressure from the brain and spinal cord.

VENTRICULITIS

Inflammation and/or infection of the ventricles.Inflammation and/or infection of the ventricles.

VENTRICLE

The cavities or chambers within the brain that contain the cerebrospinal fluid. There are two lateral ventricles and midline third and fourth ventricles.

VASOSPASM

Spasm of blood vessels, decreasing their diameter.