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

Cyclic adenosine monophosphate.

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

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

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

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

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

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

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

Referring to the cerebrum.

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.

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.

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

Having a border, localized.

A morbid fear of being in a confined place.