defective closure of the neural tube.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
dystectia(dĭs-tĕk′shē-ă) [″ + L. tectum, roof]
Failure of the embryonic neural tube to close during development. This is a cause of anencephaly, spina bifida, and meningocele.
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