File:EB1911 Hexapoda - Abdomen of German Cockroach Embryo.jpg

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Summary

Description

English: Cross sections through Abdomen of German Cockroach Embryo. A (later than EB1911 Hexapoda - Cross section of Embryo of German Cockroach.jpg) magnified. B (still more advanced, dorsal closure complete) magnified. See legend below.

Date

published 1911

Source

“Hexapoda,” Encyclopædia Britannica (11th ed.), v. 13, 1911, p. 426, fig. 19.

Author

After Heymons, Zeit. Wiss. Zoolog. vol. 53.

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:

ec,	Ectoderm.
en,	Endoderm.
sp,	Splanchnic layer of mesoderm.
y,	Yolk.
h,	Heart.
p,	Pericardial septum.
c,	Coelom.
g,	Germ-cells surrounded by rudiment-cells of ovarian tubes.
m,	Muscle-rudiment.
n,	Nerve-chain.
f,	Fat body.
s,	Inpushing of ectoderm to form air-tubes.
x,	Secondary body-cavity.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:52, 4 June 2019		561 × 466 (86 KB)	Bob Burkhardt	{{Information \|description ={{en\|1=Cross sections through Abdomen of German Cockroach Embryo. A (later than fig. Image:EB1911 Hexapoda - Cross section of Embryo of German Cockroach.jpg) magnified. B (still more advanced, dorsal closure complete) magnified. See legend below.}} \|date =published 1911 \|source =“Hexapoda,” ''Encyclopædia Britannica'' (11th ed.), v. 13, 1911, p. 426, fig. 19. \|author =After Heymons, ''Zeit. Wiss. Zoolog.'' vol. 53. \|permission ={{P...

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