al·​lan·​to·​cho·​ri·​on ə-ˌlan-(ˌ)tō-ˈkōr-ē-ˌän, -ˈkȯr- How to pronounce allantochorion (audio)
: an embryonic membrane consisting of a fused allantois and chorion

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Cite this Entry

“Allantochorion.” Medical Dictionary, Merriam-Webster, Accessed 21 Jul. 2024.

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