acephalogasteria

[ā-sĕf′ə-lō-gă-stîrē-ə, ə-sĕf′-]

n.

Congenital absence of the head, chest, and abdomen in the parasitic member of conjoined twins.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.