File:Watson1918 plate01.jpg

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Plate 1

10 to 12 are from photographs through the doferent ducts and seminal vesicles in a human fetus 105 mm. crown-rump length, estimated age 14 weeks (Carnegie Collection, 110. 1358e). A graphic reconstruction of these structures in the same fetus is shown in text figure 4. In figure 10 the left deferent duct is cut obliquely, so that its lumen is traversed twice. Figure 12 is an enlarged View of the same seminal vesicle represented in figure 11 and shows the first saeculations of the lumen of the vesicle.

13 Transverse section through the deferent ducts and seminal vesicles in 9,, human fetu 130 mm. crown-rump length, estimated age 16 weeks (Carnegie Colleetion, no. 1018). This is the same specimen shown in text figure 5.

14 and 15 Transverse sections taken at different levels through the deferent ducts and seminal vesicles in a human fetus 171 mm. crown-rump length, estimated age 19 weeks (Carnegie Collection, no. 1049). This is the same fetus shown in text-figure 6. In figure 15 it will be noted that the left ampulla is saeeulated.

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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: fig 1 | fig 2 | fig 3 | fig 4 | fig 5 | fig 6 | fig 7 | fig 8 | fig 9 | plate 1 | plate 2 | plate 3 | Watson 1918 | Seminal Vesicle Development


Watson EM. The development of the seminal vesicles in man. (1918) Amer. J Anat. 24(4): 395 - 439.

Cite this page: Hill, M.A. (2024, February 22) Embryology Watson1918 plate01.jpg. Retrieved from

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current10:19, 8 December 2016Thumbnail for version as of 10:19, 8 December 20161,200 × 1,601 (398 KB)Z8600021 (talk | contribs)
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