allantochorion

noun

al·lan·to·cho·ri·on ə-ˌlan-(ˌ)tō-ˈkōr-ē-ˌän, -ˈkȯr-

: an embryonic membrane consisting of a fused allantois and chorion

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allantochorion

allantoic

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“Allantochorion.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/allantochorion. Accessed 7 Jul. 2026.

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allantochorion

noun

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