| microcephalia | An abnormally small head of a newborn, a congenitally small brain. (27 Sep 1997) |
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| microcephalic | <anatomy> Having a small head; having the cranial cavity small; opposed to megacephalic. Origin: Micro- + cephalic, cephalous. Source: Websters Dictionary (01 Mar 1998) |
| microcephalism | An abnormally small head of a newborn, a congenitally small brain. (27 Sep 1997) |