Calcification

The strengthening and hardening of a bone in areas where calcium has been deposited.

CAMP

Cyclic adenosine monophosphate.

Cancer

General term frequently used to indicate any of various types of malignant neoplasms.

Carcinoma

A malignant tumor that arises from epithelium found in skin or, more commonly, the lining of body organs

Carotid Artery

The artieries which carry blood up through the neck, eventually supplying the brain with its major blood supply.

Catheter

A tubular instrument to allow passage of fluid from or into a body cavity.

Cavernous Sinus

Area adjacent to the sphenoid sinus containing several vital nerves and blood vessels.

Cell

The basic living unit of body tissue. It contains a nucleus surrounded by cytoplasm and is enclosed by a membrane.

Central Nervous System (CNS)

Pertaining to the brain, cranial nerves and spinal cord. It does not include muscles or peripheral nerves.

Cerebral

Referring to the cerebrum.

Cerebrospinal Fluid (CSF)

The clear fluid made in the ventricular cavities of the brain that bathes the brain and spinal cord. It circulates through the ventricles and the subarachnoid space.

Cerebrum

The largest area of the brain, the cerebrum occupies the uppermost part of the skull. It consists of two halves called hemispheres. Each half of the cerebrum is further divided into four lobes: frontal, temporal, parietal and occipital.

Chemotherapy

Treatment of disease by means of chemical substances or drugs; usually used in reference to neoplastic (cancer) disease.

Circumscribed

Having a border, localized.

Claustrophobic

A morbid fear of being in a confined place.

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