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anencephalus
Used for:
brain aplasia
Broader Terms:
congenital brain disorder
Scope Note:
congenital malformation of the nervous system caused by failure of the anterior neuropore to close; infants are born with intact spinal cords, cerebellums, and brainstems, but lack formation of neural structures above this level; the skull is only partially formed but the eyes are usually normal; affected infants are only capable of primitive reflexes and usually do not survive for more than two weeks; complete absence of the brain is rare.
Term Number:
0723-2890
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