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FASCINATING ALBUM SHOWS DETAILED IMAGES OF HUMAN DEVELOPMENT

I stumbled upon a fascinating photo album on Flickr published by user lunar caustic. The album shows a collection of photos of human development in unprecedented details. The images were taken to be included in a catalog highlighting the embryonic development. Similar pictures were taken by Swedish photographer Lennart Nilsson back in 1965 and were published in Life magazine. Images and captions by Flickr user lunar caustic.


An embryo from an ectopic pregnancy which is approximately 3 to 4 weeks estimated gestational age from conception. It was 0.5 cm long. See larger view for detail.


This is an embryo at approximately 4 to 5 weeks from conception. This was an ectopic pregnancy in a fallopian tube.

This is an embryo at approximately 4 to 5 weeks from conception. This was an ectopic pregnancy in a fallopian tube.

7 week embryo taken with dissecting microscope.


Approximately 6 weeks estimated gestational age from conception, 8 weeks from LMP.


Embryo received with membranes intact. 1.6cm. EGA approximately 6-7 weeks from conception.


This is an approximately 6-7 week estimated gestational age 19mm embryo from conception, 8-9 weeks from LMP. Features include finger rays and cerebral hemispheres.


This is an approximately 6-7 week estimated gestational age 19mm embryo from conception, 8-9 weeks from LMP. Features include finger rays and cerebral hemispheres.


Same embryo from another angle.


Fallopian tube with extruded placenta and embryo still within amniotic sac. The embryo is approximately 6-7 weeks EGA from conception.


Embryo at 7 – 8 Weeks from conception.


Embryo at approximately 8 weeks from conception, 10 weeks estimated gestational age from LMP.


This embryo still has its amniotic sac intact. The most notable finding is the extraembryonic coelom which contains loops of small bowel.


Notable in the this fetus is an extraembryonic coelom in the umbilical cord. Loops of intestine are seen as a bulge of orange material in the cord near it’s attachment to the abdominal wall. These loops will withdraw at arould week 11. If these do not return, the condition is called an omphalocele.


Fetus 10 – 12 weeks: For perspective the foot length is 0.6 cm which is about the same length of the embryo in the following picture on the photostream at 3 – 4 weeks developement.

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