Seizures that are characterized by a sudden loss of muscle tone, causing the individual to instantly drop to the floor, commonly known as "drop attacks."

Warning sign that people with epilepsy often experience prior to the onset of a seizure, which may consist of a strange taste, bad feeling, or tingling sensation.

Bone originating from the same individual; i.e., an individual's own bone.

Bone transplanted from one part to another part of the body in the same individual.

The involuntary nervous system that also innervates smooth and cardiac muscle and glandular tissues.

The part of a nerve cell that transmits signals to other structures or nerves.

See Spine.

Paralysis of the facial nerve producing distortion on one side of the face..

A substance, such as some plastics, which the human body can break down and absorb.

A characteristic of some materials that when they are inserted into the body do not produce a significant rejection or immune response.

The breakdown of organic materials into simple chemicals commonly found in the body.

A barrier that exists between the blood and the cerebrospinal fluid which prevents the passage of various substances from the bloodstream to the brain.

The hard tissue that provides structural support to the body, It is primarily composed of hydroxyapatite crystals and collagen. Individual bones may be classed as long, short, or flat.

One of the substances extracted from bone, such as bone morphogenic proteins (BMP).

Bone which is harvested from one location in an individual and placed in another individual (allograft bone) or in a different location in the same individual (autogenous bone).

The tissue contained within the internal cavities of the bones. A major function of this tissue is to produce red blood cells.

Usually a relatively thin metal device which is affixed to bone via screws. Bone plates are used to immobilize bones or bone fragments such that healing can occur.

A threaded metal device which is inserted into bone. The functions of bone screws are to immobilize bones or bone fragments or to affix other medical devices, such as metal bone plates, to bones.

Slowness in movement.

A term generally applied to a dead human body preserved for anatomical study

The spongy or honeycomb structure of some bone tissue typically found at the ends of long bones.

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.

Large artery on both sides of the neck which supply most of the blood supply to the brain.

Passage under a ligament at the wrist through which the median nerve enters the palm of the hand.

A condition caused by compression of the median nerve in the carpal tunnel, characterized especially by discomfort and disturbances of sensation in the hand.

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.

A bundle of spinal nerve roots arising from the end of the spinal cord and filling the lower part of the spinal canal.

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.

The body of a vertebra.

The lower part of the brain located beneath the posterior portion of the cerebrum which controls the body's equilibrium and unconscious movement.