File:EB1911 Tunicata - surface layer of Test of Ascidia mentula.jpg

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English: Section through the surface layer of Test of Ascidia mentula. bl, Bladder cells; tc, test cell; tk, terminal knobs of vessels; v, vessels of test.
Date published 1911
Source “Tunicata,” Encyclopædia Britannica (11th ed.), v. 27, 1911, p. 380, fig. 3.
Author From The Cambridge Natural History, vol. vii., “Fishes, &c.”
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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.

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current18:22, 9 July 2019Thumbnail for version as of 18:22, 9 July 2019887 × 329 (124 KB)Bob Burkhardt (talk | contribs){{Information |description ={{en|1=Section through the surface layer of Test of ''Ascidia mentula''. ''bl'', Bladder cells; ''tc'', test cell; ''tk'', terminal knobs of vessels; ''v'', vessels of test.}} |date =published 1911 |source =“Tunicata,” ''Encyclopædia Britannica'' (11th ed.), v. 27, 1911, p. 380, fig. 3. |author =From ''The Cambridge Natural History'', vol. vii., “Fishes, &c.” |permission ={{PD-Britannica}} }} Category:Ascidia mentula

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