acephalorrhachia

[ ā-sĕf′ə-lō-rākē-ə, ə-sĕf′- ]

n.

Congenital absence of the head and spinal column.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.