spina bifida(redirected from cleft spine)
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a congenital condition in which the meninges of the spinal cord protrude through a gap in the backbone, sometimes causing enlargement of the skull (due to accumulation of cerebrospinal fluid) and paralysis
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
spina bifida[¦spī·nə ′bī·fəd·ə]
A congenital anomaly characterized by defective closure of the vertebral canal with herniation of the spinal cord meninges.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.