microcephaly

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microcephaly

 [mi″kro-sef´ah-le]
small size of the head in relation to the rest of the body. adj., adj microcephal´ic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

mi·cro·ceph·a·ly

(mī'krō-sef'ă-lē),
Abnormal smallness of the head; applied to a cranium with a capacity less than 1350 mL. Usually associated with mental retardation.
[micro- + G. kephalē, head]
Farlex Partner Medical Dictionary © Farlex 2012

microcephaly

(mī′krō-sĕf′ə-lē)
n. pl. microcepha·lies
Abnormal smallness of the head.

mi′cro·ce·phal′ic (-sə-făl′ĭk) adj. & n.
mi′cro·ceph′a·lous (-sĕf′ə-ləs) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

microcephaly

An abnormally small head, which is usually associated with neurodevelopmental delay and mental retardation. A standard definition is any brain or head which is ≥ 3 standard deviations below the mean for a person’s age, sex, height, weight and race.

Conditions associated with microcephaly
Cockayne, Miller-Dieker, Smith-Lemli-Opitz, Rothmund-Thomson, and Wolf-Hirschhorn syndromes; chromosomal defects (cat-cry or 5p- and trisomy 13 syndromes), in utero infection (CMV), rubella, toxoplasmosis, toxic exposure (foetal alcohol and foetal hydantoin syndromes), radiation (the only confirmed congenital defect specifically linked to atomic bomb blasts (i.e., in Hiroshima and Nagasaki)), or trauma.

Genes linked to microcephaly
ASPM, CDK5RAP2, CENPJ, MCPH1, MCPH2, MCPH4.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

mi·cro·ceph·a·ly

, microcephalia (mī'krō-sef'ă-lē, -sĕ-fālē-ă)
Abnormal smallness of the head; applied to a cranium with a capacity less than 1350 mL. Usually associated with mental retardation.
Synonym(s): nanocephaly.
[micro- + G. kephalē, head]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

microcephaly

Abnormal smallness of the skull. Microcephaly often reflects poor brain development and is usually associated with MENTAL RETARDATION.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Microcephaly

An abnormally small head.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

Paine,

R.S.,
Paine retinaculatome
Paine syndrome - males only; onset at birth; physical and mental retardation; seizures. Synonym(s): microcephaly
Paine-Efron syndrome - pain in the back and thigh followed by slowly progressive ataxia. Synonym(s): ataxia-telangiectasia variant
Medical Eponyms © Farlex 2012

mi·cro·ceph·a·ly

, microcephalia (mī'krō-sef'ă-lē, -sĕ-fālē-ă)
Abnormal smallness of the head; often associated with mental retardation.
[micro- + G. kephalē, head]
Medical Dictionary for the Dental Professions © Farlex 2012