spina bifida manifesta

[măn′ə-fĕstə]
n.
  1. Spina bifida in which the vertebral defect is apparent and may be associated with a meningeal or spinal cord anomaly.spina bifida aperta
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.