Dictionary

CD4 Transmembrane glycoprotein, which is expressed by T-4 cells (also known simply as T cells). See also T cell; T-4 cell.

CCP antibody See citrulline antibody.

CBT Cognitive behavior therapy.

CBC Complete blood count, a set of values of the cellular (formed) elements of blood. CBC measurements are usually determined by specially designed machines that analyze the different components of blood in less than a minute. The values generally included in a CBC are the following: The number of white blood cells in a vol-ume…

cavity, abdominal See abdominal cavity.

cavity See caries.

cavernous sinus thrombosis A blood clot within the cavernous sinus. A thrombosis in this key crossroads causes cavernous sinus syndrome.

cavernous sinus syndrome A condition characterized by swelling of the eyelids and the conjunctivae of the eyes, as well as paralysis of the cranial nerves that course through the cavernous sinus. It is caused by a cavernous sinus thrombosis.

cavernous sinus A large channel of venous blood that creates a cavity (sinus) bordered by the sphenoid bone and the temporal bone of the skull. The cavernous sinus is an important structure because of its location and its contents, which include the third cranial (oculomotor) nerve, the fourth cranial (trochlear) nerve, parts 1 (the ophthalmic…

cavernous hemangioma See hemangioma, cavernous.

cauterization The use of heat to destroy abnormal cells. Also known as diathermy and electrodiathermy.

causes of cancer See cancer, causes.