44 day old human embryo
Color enhanced photograph of a 44 day old human embryo. During the seventh week the elbows and toes become visible, nipples and hair follicles form, and all essential organs have begun to form.
Size: 2706px × 3874px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 44, day, development, embryo, embryonic, fetal, human, medical, period