Illustration the connection between the foetus and placenta (top left). The placenta is a temporary organ that connects a developing foetus to its mother, via the umbilical cord. The placenta carries oxygen and nutrients to the foetus and removes waste products. From An Improved System of Midwifery, by Wooster Beach (1794-1868), published in 1851. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / National Library of Medicine |
Bildgröße: | 2890 px × 3765 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |