File:Wyburn1939-plate04.jpg

Plate IV. Human Embryo 40 to 42 mm

Fig. 13. Photomicrograph of section of embryo 40 mm. x circa 6.

Fig. 14. Photomicrograph of section of embryo 42 mm. x circa 7.

Fig. 15. Photomicrograph of section of umbilical cord coelom of embryo 42 mm. Site indicated by arrow in Fig. 14. x circa 75.

Fig. 16. Photomicrograph of endothelial lining of umbilical cord coelom of embryo 42 mm. x circa 225.

E. = denser mesoderm extending into cord “pillars” and continuous with rectus sheath. U.C. = umbilical cord coelom. L. = degenerating endothelial cells. Description in text.

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  Fig. 13. 40mm

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  Fig. 14. 42 mm

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  Fig. 15. 42 mm

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  Fig. 16. 42 mm

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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Links: Plate 1 | Plate 2 | Plate 3 | Plate 4 | Fig 13 | Fig 14 | Fig 15 | Fig 16 | Plate 5 | Fig 17 | Fig 18 | Fig 19 | Fig 20 | Wyburn 1939 | Historic Embryology Papers

Reference

Wyburn GM. The formation of the umbilical cord and the umbilical region of the anterior abdominal wall. (1939) J Anat. 73(2): 289-310.9. PMID 17104757

Cite this page: Hill, M.A. (2024, April 24) Embryology Wyburn1939-plate04.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Wyburn1939-plate04.jpg

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