BSIP VEM / SCIENCE PHOTO LIBRARY BSIP VEM / SCIENCE PHOTO LIBRARY
Artwork illustrating a side view of a human foetus at 8 weeks (2 months)gestation. The foetus is surrounded by the amnion, a protective fluid-filled sac. The umbilical cord, the link betweeen the fetal and maternal blood circulations, is seen. The end of the eighth week marks the point at which an embryo becomes known as a fetus.
Model release not required. Property release not required.