Letter B

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BASAL

Lower or towards the base of a structure.

BASAL CISTERN

A CSF containing space located at the base or bottom of the brain.

BASAL GANGLIA

A normal part of the brain towards the middle that consists of the caudate nucleus, putamen, and globus pallidus.  It helps in the control of movement.  It is often a location for hemorrhage or bleeding in the brain usually as a result of high blood pressure.  It is very sensitive to lack of oxygen and can be damaged by poisoning from carbon monoxide or inhalation of toxins.

BASILAR

Adjective.  Lowest part of the lungs.  This refers to areas of the lungs that are close to the diaphragms.

BASILAR ARTERY

The large blood vessel in the back of the brain that helps to deliver blood and nutrients.  It helps to nourish the cerebellum and the back or posterior part of your brain.

BASILAR ATELECTASIS

Compressed lung at the bottom of the lungs, next to the diaphragm.

BEAM HARDENING ARTIFACT

Occurs on CT scans as the result of metal in the body.  It will blurr the image and make it harder to interpret.

BENIGN

Not cancerous.

BENIGN MIXED TUMOR

A benign tumor of the salivary glands of the neck.  A painless, slow growing tumor that can be removed surgically.

BERRY ANEURYSM

Used to describe an aneurysm that looks like a small “berry” or sac.