释义 |
noun Embryology.any of the tissues, derived from the fertilized egg, that enclose or otherwise contribute to the support of the developing embryo, as the yolk sac, allantois, amnion, and chorion. Also called embryonic membrane. Words nearby extraembryonic membraneextrados, extradosed, extradural, extradural hemorrhage, extraembryonic, extraembryonic membrane, extrafloral, extragalactic, extragalactic nebula, extra-high voltage, extrajudicial Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |