Glossary of terms used on this site
There are 201 entries in this glossary.Term | Definition |
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Cadaver |
A term generally applied to a dead human body preserved for anatomical study |
Cancellous Bone |
The spongy or honeycomb structure of some bone tissue typically found at the ends of long bones. |
Carcinoma |
Type of tumor that arises from cells which occur on line body surfaces of internal organs and passageway of the body. Skin, intestinal, uterine and lung cancers are carcinomas. |
Carotid Artery |
Large artery on both sides of the neck which supply most of the blood supply to the brain. |
Carpal Tunnel |
Passage under a ligament at the wrist through which the median nerve enters the palm of the hand. |
Carpal Tunnel Syndrome |
A condition caused by compression of the median nerve in the carpal tunnel, characterized especially by discomfort and disturbances of sensation in the hand. |
Cartilage |
The hard, thin layer of white glossy tissue that covers the end of bone at a joint. This tissue allows motion to take place with a minimum amount of friction. |
Cauda Equina |
A bundle of spinal nerve roots arising from the end of the spinal cord and filling the lower part of the spinal canal. |
Central Nervous System |
Part of the nervous system which consists of the brain and spinal cord, to which sensory impulses are transmitted and from which motor impulses passout, and which supervises and coordinates the activity of the entire nervous system. |
Centrum |
The body of a vertebra. |
Cerebellum |
The lower part of the brain located beneath the posterior portion of the cerebrum which controls the body's equilibrium and unconscious movement. |
Cerebral Cortex |
Surface layer of gray matter of the cerebrum that functions chiefly in coordination of higher nervous activity; called also pallium. |
Cerebral Palsy |
Disability resulting from damage to the brain before or during birth and outwardly manifested by muscular incoordination and speech disturbances. |
Cerebrospinal Fluid |
Water-like fluid produced in the brain that circulates and protects the brain and spinal cord, known as CSF. |
Cerebrum |
An enlarged portion of the brain, located in the front and upward area, which consists of cerebral hemispheres that control conscious movement, sensation and thought. |
Cererebral |
Relating to the brain or intellect. |
Cervical |
The neck region of the spine containing the first seven vertebrae. |
Chemonucleolysis |
A treatment of an intervertebral disc that consists of an injection of chymopapain, a drug that dissolves part of the disc. |
Choroid Plexus |
A vascular portion of the brain in the ventricles that secretes cerebrospinal fluid. |
Clinical Studies |
A process of strictly controlled evaluations involving patients. Some of these studies are required by the FDA prior to general release of a device or compound for use in humans. |
Cobalt-Chrome |
A term that is used in referring to cobalt-chromium-molybdenum alloy, a mixture of metals used in many surgical implants. |
Coccyx |
The region of the spine below the sacrum. It is also known as the tailbone. |
Collagen |
A fibrous protein which is a major constituent of connective tissue. Such as skin, tendons, ligaments, cartilage, and bones. |
Comminuted Fracture |
A fracture in which a bone is broken into more than two pieces. Often internal or external fixation devices are used to maintain proper alignment of the fragments. |
Concussion |
A disruption that results from the stunning, damaging, or shattering effects of a hard blow. |
Contrast Mediu |
A material used during a radiologic procedure to define a structure. |
Cortex |
The outer layer of gray matter covering the hemispheres of the cerebrum and cerebellum. |
Craniostenosis |
Premature closure of cranial sutures, limiting or distorting the growth of the skull. |
Cranium |
The part of the skull that encases the brain. |
CT |
(Computed Tomography) A computer enhanced x-ray study to detect structural abnormalities. A three-dimensional map of soft tissue or bone is imaged. |