Datei:Britannica Echiuroidea 2.jpg – Wikipedia

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Beschreibung

Beschreibung
English: Female Bonellia viridis, Rol. Opened along the left side.

a, Proboscis cut short.
b, Bristle passing through the mouth into the pharynx.
c, Coiled intestine.
d, Anal tufts or vesicles.
e, Ventral nerve cord.

f, Ovary borne on ventral vessel running parallel with e.
g, Position of anus.
h, Position of external opening of nephridium.

i, Nephridium—the line points towards, but does not reach, the internal opening.
Datum
Quelle Encyclopædia Britannica, 1911
Urheber Encyclopædia Britannica, Volume 8, Slice 10., available freely at Project Gutenberg

Lizenz

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.
Public domain This image comes from the Project Gutenberg archives. This is an image that has come from a book or document for which the American copyright has expired and this image is in the public domain in the United States and possibly other countries.

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This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.net.

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aktuell18:51, 22. Feb. 2011Vorschaubild der Version vom 18:51, 22. Feb. 2011435 × 707 (68 KB)Keith Edkins=={{int:filedesc}}== {{Information |Description={{en|Female ''Bonellia viridis'', Rol. Opened along the left side.<br /><br /> <table><tr><td style{{=}}"width: 50%; vertical-align: top;"> ''a'', Proboscis cut short.<br /> ''b'', Bristle passing through th

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