Medical Dictionary
allantochorion
noun al·lan·to·cho·ri·on
\ə-ˌlan-(ˌ)tō-ˈkōr-ē-ˌän, -ˈkȯr-\
\ə-ˌlan-(ˌ)tō-ˈkōr-ē-ˌän, -ˈkȯr-\
Medical Definition of ALLANTOCHORION
: an embryonic membrane consisting of a fused allantois and chorion
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