File:Keibel Mall 2 567.jpg

From Embryology

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Fig. 567. Mesonephros Human Embryo 9.5 mm

Model of the mesonephros of a human embryo of 9.5 mm greatest length, embryo Ma. 3, from the collection of Professor Hochstetter, Vienna.

The same model that was represented in Fig. 566 seen from the right side.

The figure shows how the Malpighian corpuscles as they enlarge press each other out of the row. The primary excretory duct increases in size in its caudal half, the increase affecting both the dorsoventral and the frontal diameter, the latter to the greater extent It again diminishes before its union with the ureter. This has already developed the primitive pelvis of the kidney, from which the cranial and caudal pole tubules are beginning to grow out. J. The common terminal part of the ureter and the primary excretory duct still persists, but is greatly enlarged. The cloaca is almost completely subdivided.


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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, April 26) Embryology Keibel Mall 2 567.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Keibel_Mall_2_567.jpg

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