File:EB1911 Gastropoda - Nervous System of Limnaeus stagnalis.jpg

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Summary

Description

English: Nervous System of the Pond-Snail, Limnaeus stagnalis, as a type of the short-looped euthyneurous condition. The short visceral “loop” with its three ganglia is lightly-shaded.

Date

published 1911

Source

“Gastropoda,” Encyclopædia Britannica (11th ed.), v. 11, 1911, p. 524, fig. 59.

Author

After Spengel.

Permission
(Reusing this file)

This image comes from the 13^th 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:

ce,	Cerebral ganglion.
pe,	Pedal ganglion.
pl,	Pleural ganglion.
ab,	Abdominal ganglion.
sp,	Visceral ganglion of the left side; opposite to it is the visceral ganglion of the right side, which gives off the long nerve to the olfactory ganglion and osphradium o.
In Planorbis and in Auricula (Pulmonata, allied to Limnaeus) the olfactory organ is on the left side and receives its nerve from the left visceral ganglion.

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:56, 25 March 2019		552 × 507 (49 KB)	Bob Burkhardt	{{Information \|description ={{en\|1=Nervous System of the Pond-Snail, ''Limnaeus stagnalis'', as a type of the short-looped euthyneurous condition. The short visceral “loop” with its three ganglia is lightly-shaded.}} \|date =published 1911 \|source =“Gastropoda,” ''Encyclopædia Britannica'' (11th ed.), v. 11, 1911, p. 524, fig. 59. \|author =After Spengel. \|permission ={{PD-Britannica}} }} {{en\|Legend:}} {\| \|-valign="top" \|''ce'',\|\|Cerebral ganglion. \|-valign="top" \|'...

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