Chorion — For the chorion in invertebrate eggs, see Chorion (egg). Chorion Diagram showing earliest observed stage of human embryo … Wikipedia
egg shell — chorion (an embryonic membrane, elaborated by the follicle cells, which encloses the egg. The eggs of truly viviparous fishes are non chorionated. Usually hardens on contact with the water; after fertilization the egg secretes fluid and shrinks… … Dictionary of ichthyology
chorion — chorionic, chorial, adj. /kawr ee on , kohr /, n. 1. Embryol. the outermost of the extraembryonic membranes of land vertebrates, contributing to the formation of the placenta in the placental mammals. 2. Zool. the membrane around the eggs of… … Universalium
egg — egg1 eggless, adj. eggy, adj. /eg/, n. 1. the roundish reproductive body produced by the female of certain animals, as birds and most reptiles, consisting of an ovum and its envelope of albumen, jelly, membranes, egg case, or shell, according to… … Universalium
chorion — an embryonic membrane, elaborated by the follicle cells, which encloses the egg. The eggs of truly viviparous fishes are non chorionated. Usually hardens on contact with the water; after fertilization the egg secretes fluid and shrinks inward… … Dictionary of ichthyology
chorion — n. [Gr. chorion, membrane enclosing the fetus] The outermost shell or membranous covering of the egg of various invertebrates … Dictionary of invertebrate zoology
chorion — cho•ri•on [[t]ˈkɔr iˌɒn, ˈkoʊr [/t]] n. 1) dvl the outermost of the membranes enclosing the embryo in reptiles, birds, and mammals, developing into part of the eggshell or part of the placenta 2) ent a membrane enclosing the shell of an insect… … From formal English to slang
chorion — noun a) The protective and nutritive membrane that attaches higher vertebrate fetuses to the uterus. b) The outer case of an insect egg … Wiktionary
chorion — /ˈkɔriən/ (say kawreeuhn) noun the outermost of the extra embryonic membranes of land vertebrates, contributing to the placenta in the placental mammals and next to the shell (or the shell membrane) in egg laying types. {New Latin, from Greek}… …
Hühnerei-Test an der Chorion-Allantois-Membran — Der HET CAM, auch Hühnerei Test genannt, ist ein Verfahren zur Überprüfung der Hautverträglichkeit von Chemikalien. Die Abkürzung steht für Hühnerei Test an der Chorion Allantois Membran. Häufig wird die Abkürzung auch aus dem Englischen Hen s… … Deutsch Wikipedia
