GASSERION GANGLION - Mass of nervous tissue lying on the sensory root
of the trigeminal nerve.
GENERALIZED SEIZURES - Seizures involving widespread areas on both
sides of the brain at the time of onset. The generalized nature of
these seizures accounts for their dramatic manifestations, which include
loss of consciousness or awareness and convulsions. About 39% of epileptics
suffer primarily from generalized seizures.
GLASGOW COMA SCALE - The most widely used system of classifying the
severity of head injuries or other neurological diseases.
GLASGOW OUTCOME SCALE - A widely used system of classifying outcome
after head injury or other neurological diseases.
GLIA - The major support cells of the brain. These cells are involved
in the nutrition and maintenance of the nerve cells. Also known as
neuralgia.
GOLD STANDARD: A known value or attribute used to test veracity of
instrumented measures. An accepted reference test or procedure used
to define the true state of the patient's health. A gold standard
test is positive in patients with a disease and negative in those
without the disease.
GRADUATE EDUCATION: Education beyond undergraduate degree level usually
denoting a masters or doctorate degree.
GUIDELINES: Systematically developed statements to help health care
practitioners and their patients make decisions about appropriate
health care in specific clinical circumstances. Also called clinical
guidelines, practice guidelines.