Illustration of the uterus (womb) during pregnancy. During pregnancy the diameter of the blood vessels increases to allow for increased blood flow to the foetus via the placenta. 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: | - |