1. <cell biology> A protective membrane layer found around the eggs of insects and fish.
2. <embryology> An extraembryonic membrane derived from the trophoblast that surrounds the embryo of amniote vertebrates.
(11 Mar 2008)
chorioid-, chorioma, choriomammotropin, choriomeningitis < Prev | Next >
chorion frondosum, chorionic, chorionic ectoderm
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