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[Gr. chorion, membrane (surrounding the fetus)] An extraembryonic membrane that, in early development, forms the outer wall of the blastocyst. It is the thicker, outer layer of the two fetal membranes and is formed from the trophoblast and its lining of mesoderm. From it develop the chorionic villi, which grow into the endometrium and will become the fetal portion of the placenta. SEE: embryo, SEE: placenta, and SEE: umbilical cord for illus.; SEE: trophoblast chorionic (kōr″ē-on′ik ), adj.
Venes, Donald, editor. "Chorion." Taber's Medical Dictionary, 23rd ed., F.A. Davis Company, 2017. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/767394/all/chorion.
Chorion. In: Venes D, ed. Taber's Medical Dictionary. 23rd ed. F.A. Davis Company; 2017. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/767394/all/chorion. Accessed September 24, 2019.
Chorion. (2017). In Venes, D. (Ed.), Taber's Medical Dictionary. Available from https://www.tabers.com/tabersonline/view/Tabers-Dictionary/767394/all/chorion
Chorion [Internet]. In: Venes D, editors. Taber's Medical Dictionary. F.A. Davis Company; 2017. [cited 2019 September 24]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/767394/all/chorion.
* Article titles in AMA citation format should be in sentence-case
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T1 - chorion
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ED - Venes,Donald,
BT - Taber's Medical Dictionary
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PB - F.A. Davis Company
ET - 23
DB - Taber's Online
DP - Unbound Medicine