Chorion [chorion]

topical
43
Persistent link   https://www.medvik.cz/link/D002823
Definition

The outermost extra-embryonic membrane surrounding the developing embryo. In REPTILES and BIRDS, it adheres to the shell and allows exchange of gases between the egg and its environment. In MAMMALS, the chorion evolves into the fetal contribution of the PLACENTA.

DUI
D002823 MeSH Browser
CUI
M0004340
Previous indexing
Fetal Membranes (1966-1974)
History note
78(75); was see under FETAL MEMBRANES 1963-77
Online note
search FETAL MEMBRANES 1966-74
Public note
78; was see under FETAL MEMBRANES 1963-77

A Anatomy
A10 Tissues 372
A10.615 Membranes 267
A10.615.284.147 Allantois 7
A10.615.284.277 Amnion 159
A10.615.284.375 Chorioallantoic Membrane 14
A10.615.284.473 Chorion 43
A10.615.284.473.200 Chorionic Villi 25
A10.615.284.981 Yolk Sac 15
A16.254.750.147 Allantois 7
A16.254.750.277 Amnion 159
A16.254.750.473 Chorion 43
A16.254.750.473.200 Chorionic Villi 25
A16.254.750.981 Yolk Sac 15