File:EB1911 Ichthyology - Connexion between Kidney and Testis in Various Groups of Fishes.jpg

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Description
English: Diagram illustrating Connexion between Kidney and Testis in Various Groups of Fishes. See legend below.
Date published 1911
Source “Ichthyology,” Encyclopædia Britannica (11th ed.), v. 14, 1911, p. 257, fig. 12.
Author Graham Kerr, Proc. Zool. Soc. London.
Permission
(Reusing this file)
Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.
English: Legend:
A, Distributed condition of vasa efferentia (Acipenser, Lepidosteus).
B, Vasa efferentia reduced to a few at the hind end (Lepidosiren).
C, Reduction of vasa efferentia to a single one posteriorly (Protopterus).
D, Direct communication between testis and kidney duct (Polypterus, Teleosts).
c.f, Nephrostome leading from Malpighian coelom into kidney tubule.
T1, Functional region of testis.
T2, Vesicular region of testis.
WD, Mesonephric duct.

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current17:52, 17 August 2019Thumbnail for version as of 17:52, 17 August 2019874 × 594 (178 KB)Bob Burkhardt (talk | contribs){{Information |description ={{en|1=Diagram illustrating Connexion between Kidney and Testis in Various Groups of Fishes. See legend below.}} |date =published 1911 |source =“Ichthyology,” ''Encyclopædia Britannica'' (11th ed.), v. 14, 1911, p. 257, fig. 12. |author =Graham Kerr, ''Proc. Zool. Soc. London''. |permission ={{PD-Britannica}} }} {{en|Legend:}} {| |-valign="top" |A,||Distributed condition of ''vasa efferentia'' (''Acipenser'', ''Lepidosteus''). |-valign=...

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