| 释义 |
cho·rio·allantois
\“+\ noun
(-es)
Etymology: New Latin, from chori- (I) + allantois
: a very vascular fetal membrane composed of the more or less fused chorion and adjacent wall of the allantois, that of the developing hen's egg being used as a living culture medium for a number of viruses pathogenic to man or animals and for certain tissues — called also chorioallantoic membrane |