chorioallantois
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chorioallantois — [kôr΄ē ō΄ə lan′tō is] n. [ModL: see CHORION & ALLANTOIS] an enveloping vascular fetal membrane formed by the fusion of chorion and allantois in reptiles, birds, and most mammals: that of chicks is used as a culture medium for growing viruses… … English World dictionary
chorioallantois — noun Etymology: New Latin, from Greek chorion + New Latin allantois Date: 1933 a vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois that in the hen s egg is used as a living culture medium for viruses and for … New Collegiate Dictionary
chorioallantois — chorioallantoic / al euhn toh ik/, adj. /kawr ee oh euh lan toh is, toys, kohr /, n. Embryol., Zool. a vascular, extraembryonic membrane of birds, reptiles, and certain mammals, formed by the fusion of the wall of the chorion with the wall of the … Universalium
chorioallantois — noun The vascular extraembryonic membrane, formed by the fusion of the allantois and the chorion, that makes up the placenta in most mammals; the chorioallantoic membrane … Wiktionary
chorioallantois — Extraembryonic membrane formed by the fusion of the allantois with the serosa or false chorion. In mammals it forms the fetal portion of the placenta; in avian embryos it is fused with the shell. * * * cho·rio·al·lan·to·is … Medical dictionary
chorioallantois — cho·rio·allantois … English syllables
chorioallantois — cho•ri•o•al•lan•to•is [[t]ˌkɔr i oʊ əˈlæn toʊ ɪs, tɔɪs, ˌkoʊr [/t]] n. dvl zool. a vascular membrane surrounding the embryo in birds, reptiles, and certain mammals, formed by the fusion of the walls of the chorion and allantois • Etymology:… … From formal English to slang
chorioallantois — noun the very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois • Syn: ↑chorioallantoic membrane • Hypernyms: ↑membrane, ↑tissue layer * * * “+ noun ( es) … Useful english dictionary
chorioallantoic membrane — chorioallantois … Medical dictionary
chorioallantoic membrane — noun the very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois • Syn: ↑chorioallantois • Hypernyms: ↑membrane, ↑tissue layer * * * noun see chorioallantois … Useful english dictionary
