File:Potter1927 fig01.jpg

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Fig. 1. An embryo was present in each amniotic sac

When the chorion was drawn apart in the region of the rent, two distinct amniotic sacs were found. These were gently loosened and found to be absolutely separate through their entirety and arranged so that the attachments of the two yolk stalks lay at different regions of the chorion. An embryo was present in each amniotic sac (fig. 1).


Potter JC. Human monochorial twin embryos In separate amnions. (1927) Anat. Rec. 34: 253-257.

Cite this page: Hill, M.A. (2024, March 4) Embryology Potter1927 fig01.jpg. Retrieved from

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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