allantoic stalk


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al·lan·to·ic stalk

the narrow connection between the intraembryonic portion of the allantois and the extraembryonic allantois.

al·lan·to·ic stalk

(ă-lan-tō'ik stawk)
The narrow connection between the intraembryonic portion of the allantois and the extraembryonic allantoic vesicle.