WikiJournal of Medicine/Tubal pregnancy with embryo

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<meta name='citation_doi' value='10.15347/wjm/2014.007'>

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First submitted: 20 Jul 2014
Accepted: 20 Jul 2014
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DOI: 10.15347/wjm/2014.007
QID: Q44115165
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Suggested citation format:
Ed Uthman (2014). "Tubal pregnancy with embryo". WikiJournal of Medicine 1 (2). doi:10.15347/WJM/2014.007. Wikidata Q44115165. ISSN 2002-4436. https://upload.wikimedia.org/wikiversity/en/8/85/Tubal_pregnancy_with_embryo.pdf. 

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Wikipedia: Content from this work is used in the following Wikipedia article: Atavism, Ectopic pregnancy, Embryo, Human.

License: This work is released into the public domain by the copyright holder (under a CC0 license). This applies worldwide. Any person may use this work for any purpose, without any conditions, unless such conditions are required by law.

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Article information

Author: Ed Uthman

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Abstract

 Human embryo (7th week of pregnancy, 5th week p.o.)

This photo of an opened oviduct with an ectopic pregnancy features a spectacularly well preserved 10-millimeter embryo. It is uncommon to see any embryo at all in an ectopic, and for one to be this well preserved (and undisturbed by the prosector's knife) is quite unusual.

Even an embryo this tiny shows very distinct anatomic features, including tail, limb buds, heart (which actually protrudes from the chest), eye cups, cornea/lens, brain, and prominent segmentation into somites. The gestational sac is surrounded by myriad chorionic villi resembling elongated party balloons. The age of this embryo is 7 weeks of gestational age.

The photo was taken on Kodak Elite 200 slide film, with a Minolta X-370 camera and 100mm f/4 Rokkor bellows lens at near-full extension. The formalin-fixed specimen was immersed in tap-water and pinned to a tray lined with black velvet. The exposure was 1/4 second at f/8.