allantochorion

noun
al·​lan·​to·​cho·​ri·​on | \ ə-ˌlan-(ˌ)tō-ˈkōr-ē-ˌän, -ˈkȯr- How to pronounce allantochorion (audio) \

Medical Definition of allantochorion

: an embryonic membrane consisting of a fused allantois and chorion

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Cite this Entry

“Allantochorion.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/allantochorion. Accessed 31 Oct. 2020.

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