File:Keibel Mall 2 548.jpg

From Embryology

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Fig. 548.Transverse section of the urogenital fold of a human embryo of 7 mm greatest length

At a level between the 13th and 14th trunk segments. (Embryo Chr. l. from the collection of Professor Hochstetter, Vienna; slide 8, row 6, section 7.) 50.

By the ingrowth of the v. cardinalis posterior the urogenital fold is enlarged at the expense of the retroperitoneum, the lateral bay of the body cavity (Fig. 547) penetrates deeply into the latter, and the modification of the base of the fold is thus begun. Compare the depths of the lateral bay of the body cavity in Figs. 547 and 54S. The Malpighian corpuscle determines, as in the preceding figure, the position of the summit of the fold. A new summit has formed near the excretory duct.

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Felix W. The development of the urinogenital organs. In Keibel F. and Mall FP. Manual of Human Embryology II. (1912) J. B. Lippincott Company, Philadelphia. pp 752-979.

XIX Development of the Urinogenital Organs: Excretory Glands and their Ducts | Reproductive Glands and their Duct | Urogenital Union | External Genitalia | Figures | Literature
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Cite this page: Hill, M.A. (2024, June 14) Embryology Keibel Mall 2 548.jpg. Retrieved from

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