koryon

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Türkçe - İngilizce
chorion
The protective and nutritive membrane that attaches higher vertebrate fetuses to the uterus
The true skin, or cutis
The outer case of an insect egg
{i} outer embryonic membrane (Anatomy)
outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)
The outer membrane of seeds of plants
The outer membrane which invests the fetus in the womb; also, the similar membrane investing many ova at certain stages of development