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Today's Terms
stroke
Definition:
A condition produced by a blood clot that lodges in an artery and blocks the flow of blood to a portion of the brain, producing symptoms ranging from paralysis of limbs and loss of speech to unconsciousness and death. Less commonly, a stroke may be the result of bleeding into the substance of the brain.
hypothalamus
Definition:
The part of the brain that controls body functions such as eating, sleeping and sexual behavior, maintains body temperature and chemical balance, and regulates many hormones.
Canavan disease
Definition:
Canavan disease is an inherited disorder of the central nervous system in which affected individuals cannot break down a compound called N-acetyl-L-aspartic acid (NAA). Canavan disease is one of a group of genetic disorders called the eukodystrophies.
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