File:EB1911 Cytology - nuclear division.jpg

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Description

English: Diagram of nuclear division of a biological cell. a, spireme stage; b, spindle formed; c, spindle complete; equatorial plate formed; d, Division completed.

Date

published 1911

Source

Encyclopædia Britannica (11th ed.), v. 7, 1911, “Cytology,” p. 714, fig. 6.

Author

a, b and c from E. B. Wilson’s The Cell in Development and Inheritance; d from A. Gurwitsch, Morphologie u. Biologie der Zelle

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.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:04, 26 January 2017		766 × 935 (274 KB)	Bob Burkhardt	{{Information \|Description ={{en\|1=Diagram of nuclear division of a biological cell. ''a'', spireme stage; ''b'', spindle formed; ''c'', spindle complete; equatorial plate formed; ''d'', Division completed.}} \|Source =''Encyclopædia Britann...

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