Image:Tubal Pregnancy with embryo.jpg

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[edit] Summary

Description

Human Embryo (7th week of pregnancy, 5th weeks 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 a myriad of chorionic villi resembling elongated party balloons. This embryo is about five weeks old (or seven weeks in the biologically misleading but eminently practical dating system used in obstetrics).

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.
Source
Date

Posted 12 Oct 01
Author

Photograph by Ed Uthman, MD.
Permission
(Reusing this image)

PD Public domain.

This image was selected as a Featured Picture on the English language Wikipedia on 29 November 2006. Comments and votes for promotion to Featured Picture Status can be seen here.

[edit] Licensing

Public domain This image has been (or is hereby) released into the public domain by its author, Euthman at the English Wikipedia project. This applies worldwide.

In case this is not legally possible:
Euthman grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

File history

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Date/TimeDimensionsUserComment
current01:01, 27 November 20061,874×2,000 (1.48 MB)DO11.10
22:31, 4 June 2006660×818 (132 KB)Patho ({{Information| |Description=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 undisturb)