Embryo @ 6- 7 weeks
Approximately 6 weeks estimated gestational age from conception, 8 weeks from LMP. Shot with 105 mm Micro-NIKKOR lens with 2 off camera SB-800's. Specimen is submerged in alcohol.
For another amazing image of a 6 - 7 week embryo: farm4.static.flickr.com/3396/4618437757_33c40f4875_b.jpg
Please see other images of Human Developement: www.flickr.com/photos/lunarcaustic/sets/72157617368698808/