File:EB1911 Lamellibranchia - embryo of Pisidium pusillum - surface view.jpg

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Summary

Description

English: Embryo of Pisidium pusillum in the diblastula stage, surface view. The embryo has increased in size by accumulation of liquid between the outer and the invaginated cells. The blastopore has closed.

Date

published 1911

Source

“Lamellibranchia,” Encyclopædia Britannica (11th ed.), v. 16, 1911, p. 120, fig. 24.

Author

after Lankester

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.

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	18:10, 17 April 2019		378 × 477 (101 KB)	Bob Burkhardt	{{Information \|description ={{en\|1=Embryo of ''Pisidium pusillum'' in the diblastula stage, surface view. The embryo has increased in size by accumulation of liquid between the outer and the invaginated cells. The blastopore has closed.}} \|date =published 1911 \|source =“Lamellibranchia,” ''Encyclopædia Britannica'' (11th ed.), v. 16, 1911, p. 120, fig. 24. \|author =after Lankester \|permission ={{PD-Britannica}} }} Category:Pisidium Category:Animal embryos

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