File:Keibel Mall 2 547.jpg

From Embryology

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Fig. 547. Transverse section of the middle plate of a human embryo of 4.9 mm nape length

At the level of the 17th primitive segment. (Embryo 139, G. 31, from the collection of the 2nd Anatominal Institute, Berlin [Professor O. Hertwig]. x 150.

The middle plate is evaginated into the body cavity by the development of the mesonephros; it forms the urogenital fold. The fold separates a medial and a lateral bay of the body cavity. In this and the succeeding figures the excretory ducts are black and the Malpighian corpuscles white. These latter lie just below the summit of the urogenital fold, the excretory duct at the ateral surface of its base.

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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 2 547.jpg. Retrieved from

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