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n. pl. an·en·ceph·a·lies
Congenital absence of most of the brain and spinal cord.

an′en·ce·phal′ic (-sə-făl′ĭk) adj.


(ˌæn ɛnˈsɛf ə li)

the absence at birth of a portion of the skull and brain.
[1885–90; an-1 + Greek enképhal(os) brain (see encephalon) + -y3]
an`en•ce•phal′ic (-səˈfæl ɪk) adj.


the congenital absence of the brain and spinal cord in a devel-oping fetus.
See also: Heredity


A condition in which a child is born with an incomplete brain. There is no mental life as we know it. Usually, death occurs soon after birth or the child is stillborn.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.anencephaly - a defect in brain development resulting in small or missing brain hemispheresanencephaly - a defect in brain development resulting in small or missing brain hemispheres


n anencefalia
References in periodicals archive ?
Trends in Spina Bifida and Anencephalus in the United States, 1991-2006.
xx] (National Center for Health Statistics 2011); b) NTD, including anencephalus, spina bifida without anecephaly, and encephalocele (ICD-9-CM 740.
In addition, the CDC/BPA coding scheme is even more detailed than the ICD-10-CM for some birth defects such as spina bifida without anencephalus in which CDC/BPA has 21 codes compared to 10 and 2 codes for ICD10-CM and ICD-9-CM, respectively.