A chorionic villus that is not attached to the placental basal plate and it is immersed in maternal blood. [ http://www.ncbi.nlm.nih.gov/pubmed/31870762 http://www.ncbi.nlm.nih.gov/pubmed/32513715 doi:10.1007/978-3-030-84725-8 ]
This is just here as a test because I lose it
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