October 10, 2015
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Definition of Macrocephaly

Macrocephaly: An abnormally large head. The opposite of macrocephaly is microcephaly. Macrocephaly can be a normal variant or be a sign of pressure within the growing head during childhood, such as from hydrocephalus.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012

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