YOLK-SAC PLACENTA


Meaning of YOLK-SAC PLACENTA in English

noun

: a structure in some sharks resembling a placenta, consisting of the vascular embryonic yolk sac wall intimately associated with the vascular maternal uterine or oviducal wall, and serving to nourish the embryo

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.