File:PSM V84 D528 Facts and factors of development fig1.jpg
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[edit]DescriptionPSM V84 D528 Facts and factors of development fig1.jpg | Fig. 1. A nearly ripe human ovum in the living condition. The ovum is surrounded by a series of follicle cells (FC) inside of which is the clear membrane (Memb.) and within this is the ovum proper containing yolk granules (Y) and a nucleus (N) embedded in a clear mass of protoplasm. magnified 500 diameters (x 500). From O. Hertwig. B, two human spermatozoa drawn to about the same scale of magnification. (After G. Retzius) | |||
Date | ||||
Source | Edwin Grant Conklin: Facts and factors of development. The Popular science monthly, Volume 84, p524. New York, Popular Science Pub. Co., June 1914. Online: archive.org. | |||
Author | Edwing Grant Conklin after O. Hertwig and G. Retzius | |||
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[edit]Public domainPublic domainfalsefalse |
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:PSM_V84_D528_Facts_and_factors_of_development_fig1.jpg |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:46, 11 February 2017 | 1,806 × 1,466 (443 KB) | Opencooper (talk | contribs) | clean | |
15:37, 11 February 2017 | 1,806 × 1,466 (447 KB) | Opencooper (talk | contribs) | darken and sharpen | ||
15:31, 11 February 2017 | 1,806 × 1,466 (378 KB) | Opencooper (talk | contribs) | without Internet Archive processing and levelled | ||
02:50, 19 March 2011 | 1,720 × 1,449 (426 KB) | Martin H. (talk | contribs) |
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