The part of the chorion where the villi persist, forming the foetal part of the placenta. [ http://purl.obolibrary.org/obo/BTO_0003677 ]
This is just here as a test because I lose it
The part of the chorion where the villi persist, forming the foetal part of the placenta. [ http://purl.obolibrary.org/obo/BTO_0003677 ]