APPEARANCE OF THE PLACENTA. “Over 120 million years ago, eutherian mammals appeared on the earth. Their appearance was dependent on the evolution of the placenta, which, by mediating nutrient and gas exchange between mother and fetus, serves the central role in bearing live offspring.”
https://lnkd.in/eN_bZTg
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022