File:EB1911 Nemertina - Anterior end of a Carinella.jpg

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English: Anterior end of a Carinella, partly diagrammatic. Magnified. (From Bürger.) 1, Opening of proboscis; 2, cephalic glands running to frontal organ; 3, dorsal commissure of brain; 4, cerebral organ; 5, upper dorsal nerve; 6, under dorsal nerve; 7, rhynchocoelic blood-vessel; 8, fore-gut; 9, rhynchocoel; 10, nerve to proboscis; 11, proboscis; 12, genital sac; 13, genital pore; 14, mid-gut; 15, circular nerves; 16, pore of excretory system; 17, lateral organ; 18, excretory canal; 19, lateral vessel; 20, lateral nerve; 21, oesophageal nerve; 22, mouth; 23, ventral ganglion of brain; 24, dorsal ganglion of brain; 25, rhynchodaeum.
Date published 1911
Source “Nemertina,” Encyclopædia Britannica (11th ed.), v. 19, 1911, p. 368, fig. 20.
Author Ambrosius Arnold Willem Hubrecht; Arthur Everett Shipley
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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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current17:56, 11 February 2019Thumbnail for version as of 17:56, 11 February 20191,600 × 406 (251 KB)Bob Burkhardt (talk | contribs){{Information |description ={{en|1=Anterior end of a ''Carinella'', partly diagrammatic. Magnified. (From Bürger.) 1, Opening of proboscis; 2, cephalic glands running to frontal organ; 3, dorsal commissure of brain; 4, cerebral organ; 5, upper dorsal nerve; 6, under dorsal nerve; 7, rhynchocoelic blood-vessel; 8, fore-gut; 9, rhynchocoel; 10, nerve to proboscis; 11, proboscis; 12, genital sac; 13, genital pore; 14, mid-gut; 15, circular nerves; 16, pore of excretory system; 17, lateral orga...

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