File:EB1911 Pterobranchia - C. dodecalophus - frontal section.jpg

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Description

English: Section transverse to the long axis of Cephalodiscus dodecalophus (morphologically a frontal section; see legend below).

Date

published 1911

Source

Encyclopædia Britannica (11th ed.), v. 22, 1911, “Pterobranchia,” fig. 3, p. 615.

Author

After Masterman.

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:

b.c³.,	Body cavity of metasome.
c.p.,	Collar-canal, above which is seen the operculum.
d.b.v.,	Dorsal blood-vessel.
d.mes.,	Dorsal mesentery.
ep.,	Proboscis.
g.s.,	Gill-slit.
int.,	Intestine.
l.c.c.,	Left collar-cavity.
m.,	Mouth
ov.,	Ovary.
plch,	Vacuolated tissue of pharyngeal wall, the so-called “pleurochords” of Masterman.
r.c.c.,	Right collar-cavity.

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:30, 24 May 2017		504 × 608 (97 KB)	Bob Burkhardt	{{Information \|Description ={{en\|1=Section transverse to the long axis of ''Cephalodiscus dodecalophus'' (morphologically a frontal section; see legend below).}} \|Source =''Encyclopædia Britannica'' (11th ed.), v. 22, 1911, “Pterobranchia...

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