teras
[tĕr′əs]
n. pl. ter•a•ta (tĕr′ə-tə)
A malformed fetus with deficient, redundant, misplaced, or misshapen parts.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.