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1. a developmental anomaly in which the head is inconspicuous.
2. a malformed fetus with this deformity.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
cryptocephalus(krĭp″tō-sĕf′ă-lŭs) [″ + kephale, head]
A congenital deformity in which the head is inapparent.
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