anencephaly

enUK

an·en·ceph·a·ly

A0295700 (ăn′ən-sĕf′ə-lē)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.

an•en•ceph•a•ly

(ˌæn ɛnˈsɛf ə li)

n. 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.

anencephaly

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

anencephaly

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.

Thesaurus

Noun

anencephaly - a defect in brain development resulting in small or missing brain hemispheresanencephaliabirth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder - a defect that is present at birth

Translations

anencephaly

enUK

anencephaly

[an″en-sef´ah-le] congenital absence of the cranial vault, with the cerebral hemispheres completely missing or reduced to small masses. adj., adj anencephal´ic.

mer·o·an·en·ceph·a·ly

(mer'ō-an'en-sef'ă-lē), Congenital absence of the calvaria and most of the brain, usually the forebrain and midbrain. Synonym(s): anencephalia, anencephaly [mero- + G. an- priv. + enkephalos, brain]

anencephaly

(ăn′ən-sĕf′ə-lē)n. pl. anencepha·lies Congenital absence of most of the brain and spinal cord.

an′en·ce·phal′ic (-sə-făl′ĭk) adj.

anencephaly

A lethal malformation consisting of congenital partial or complete absence of the cranial vault accompanied by absence of overlying tissues, including the brain and cerebral hemispheres, skull and scalp. Most anencephalics die within the first week, and are of use as potential organ donors; ethical dilemmas inherent in such use of humans has made this a contentious issue.
Anencephaly develops in the first month of gestation and affects 0.14–0.7/1000 live births. The primary defect is failure of cranial neurulation, the embryologic process separating the forebrain precursors from the amniotic fluid; since neural tissue is exposed, cerebral tissue is haemorrhagic, fibrotic, and gliotic without functional cortex.
Aetiology
Usually idiopathic, possibly multifactorial or polygenic in origin. The risk of neural tube defects, including anencephaly, can be decreased by an adequate maternal ingestion of folic acid during pregnancy.

anencephaly

Neonatology A lethal malformation consisting of congenital partial or complete absence of the cranial vault accompanied by absence of overlying tissues, including the brain and cerebral hemispheres, skull and scalp; anencephaly develops in the 1^st month of gestation and affects 0.14-0.7/1000 live births; the 1º abnormality is failure of cranial neurulation, the embryologic process separating the forebrain precursors from the amniotic fluid; since neural tissue is exposed, cerebral tissue is hemorrhagic, fibrotic, gliotic without functional cortex Etiology Usually idiopathic, possibly multifactorial or polygenic in origin. See Uniform Determination of Death Act.

mer·o·en·ceph·aly

(mĕr'ō-en-sef'ă-lē) Congenital defective development of the brain in which the brain and cranium are present in rudimentary form.
Synonym(s): anencephaly. [meros + G. an-, priv. + enkephalos, brain]

anencephaly

Absence of the greater part of the brain and of the bones (ACRANIA) at the rear of the skull. Anencephaly is a defect of development arising from a severe NEURAL TUBE DEFECT early in the development of the embryo and is incompatible with life. Anencephalic babies are born dead or die soon after birth. The term derives from the Greek an , not and encephalon , a brain. See ACEPHALUS.

Anencephaly

A hereditary defect resulting in the partial to complete absence of a brain and spinal cord. It is fatal.Mentioned in: Amniocentesis, Polyhydramnios and Oligohydramnios

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Synonyms for anencephaly

noun a defect in brain development resulting in small or missing brain hemispheres

Synonyms

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