File:Mall1897 fig52.jpg

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Fig. 52. Embryo No. XXII within the Ovum

Embryo No. XXII (22)

Enlarged 3 diameters. The villi of chorion are outlined on one side of the ovum only. The umbilical vesicle, uv, has become shifted around to the dorsal and right side of the embryo. The outline is made from a photograph, and is correct in detail with the exception of the attachment of the chord to the chorion. This in reality attaches itself to the chorion immediately to the right of the embryo.


Mall FP. Development of the human coelom. (1897) J Morphol. 12: 395-453.

Cite this page: Hill, M.A. (2024, February 23) Embryology Mall1897 fig52.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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