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− | + | This refers to the placenta in vertebrates. | |
− | + | The placenta ensures the supply of nutrients and the disposal of excretion products. The gas exchange of the [[Embryo/en|embryo]] also takes place via the placenta. | |
https://de.wikipedia.org/wiki/Plazenta <sub>([https://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> | https://de.wikipedia.org/wiki/Plazenta <sub>([https://de.wikipedia.org/wiki/Wikipedia:Lizenzbestimmungen_Commons_Attribution-ShareAlike_3.0_Unported Wikipedia CC-by-sa-3.0])</sub> |
This refers to the placenta in vertebrates.
The placenta ensures the supply of nutrients and the disposal of excretion products. The gas exchange of the embryo also takes place via the placenta.
https://de.wikipedia.org/wiki/Plazenta (Wikipedia CC-by-sa-3.0)