chorion

Tanımlar (İngilizce)

1. isim The protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus.

   “2002, Rovert E. A. Stewart, Barbara E. Stewart, Female Reproductive Systems, entry in Encyclopedia of Marine Mammals, page 425, The allantois fuses with the chorion, forming a small round area, the allentochorion. This region becomes the placenta (Fig. 3).”

2. isim The outer case of an insect egg.

   “The chorion has a predominantly lamellar structure, the lamellae being two-dimensional networks of protein fibrils.”

3. isim The outer membrane of seeds of plants.