Formation of the chorion, an outer membrane of the placenta
In developmental biology, choriogenesis is the formation of the chorion, an outer membrane of the placenta that eventually forms chorionic villi that allow the transfer of blood and nutrients from mother to fetus.[1]
^Glanze, Walter D.; Anderson, Kenneth; Anderson, Lois E. (1992). "Choriogenesis". The Mosby Medical Encyclopedia. New York: Plume. ISBN 0-452-26672-6.
In developmental biology, choriogenesis is the formation of the chorion, an outer membrane of the placenta that eventually forms chorionic villi that...
commencing constriction of the yolk-sac. Scheme of placental circulation. Choriogenesis Chorioamnionitis, an inflammation of the chorion and amnion, usually...