Microcephaly (redirected from Anonychia microcephaly)

microcephaly /mi·cro·ceph·a·ly/ abnormal smallness of the head.microcephal´ic

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mi·cro·ceph·a·ly (mkr-sf-l)

n.

Abnormal smallness of the head. Also called nanocephaly.

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micro·ce·phalic (-s-flk) adj.

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Microcephaly

An abnormally small head.

Mentioned in: Cri Du Chat Syndrome, Fetal Alcohol Syndrome

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microcephaly (mīˈ·krō·seˑ·f·lē),

n a congenital disorder characterized by an abnormally small head relative to the rest of the body and an underdeveloped brain; may result in mental retardation; caused by a chromosomal anomaly or exposure to trauma or toxic stimulus during prenatal development.

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microcephaly

small size of the head in relation to the rest of the body.

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microcephaly Neonatology An abnormally small head, often associated with developmental delay and mental retardation; any brain or head that is ≥ 3 standard deviations below the mean for a person's age, sex, height, weight, race. Cf Macrocephaly.