Old engraved illustration of The Human placenta, Foetal surface of Placenta. 照片檔

Antique Illustration, Copyright has expired on this artwork. From my own archives, digitally restored. Placenta - temporary organ that connects the developing fetus via the umbilical cord to the uterine wall to allow nutrient uptake, thermo-regulation, waste elimination, and gas exchange via the mother's blood supply. Foetal surface of Placenta.