English: Illustration from 1911 Encyclopædia Britannica, article BALANOGLOSSUS.
Fig. 3.—Structure of anterior end.
a, Arrow from proboscis-cavity (pc) passing to left of pericardium (per) and out through proboscis pore-canal. b1, arrow from central canal of neurochord (cnc) passed out through anterior neuropore. b2, ditto; through posterior neuropore. c, arrow intended to pass from 1st gill-pouch through collar pore-canal into collar-coelom (cc). cts, posterior limit of collar. dv, dorsal vessel passing into central sinus (bs). ev, efferent vessel passing into ventral vessel (vv). epr, epiphysial tubes. st, stomochord. vs, ventral septum of proboscis. sk, body of nuchal skeleton. m, mouth. th, throat. tb, tongue-bars. tc, trunk coelom.
日付
原典
Encyclopædia Britannica, 1911
作者
Project Gutenberg Distributed Proofreaders
ライセンス
Public domainPublic domainfalsefalse
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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== Summary == {{Information |Description={{en|1=Illustration from 1911 Encyclopædia Britannica, article BALANOGLOSSUS. Fig. 3.—Structure of anterior end. ''a'', Arrow from proboscis-cavity (''pc'') passing to left of pericardium (''per'') and out thr