allantoidoangiopagous twins

[ ăl′ən-toi′dō-ăn′jē-ŏpə-gəs ]

pl.n.

Unequal monozygotic twins with fusion of their allantoic vessels within the placenta.omphaloangiopagous twins
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.