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Today's Terms
Alexander disease
Definition:
Alexander disease is considered one of the leukodystrophies, a group of disorders where the primary abnormality is the inability to maintain the fatty covering (myelin) that insulates nerve fibers in the brain. Alexander disease is a rare disorder of the nervous system that usually begins during infancy or early childhood.
Guillain-Barre (ge-YAH buh-RA) syndrome
Definition:
An inflammatory disorder in which the body's immune system attacks the nerves outside the brain and spinal cord (peripheral nerves) and, more rarely, parts of the brain itself.
Apert syndrome
Definition:
Apert Syndrome is a genetic defect and falls under the broad classification of craniofacial/limb anomalies. It can be inherited from a parent who has Apert, or may be a fresh mutation. It occurs in approximately 1 per 160,000 to 200,000 live births. Apert syndrome is primarily characterized by specific malformations of the skull, midface, hands, and feet.
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