part of part of Primates Homo sapiens reproductive structure placental basal plate 2023-09-14T08:19:13Z A maternal facing structure of the placental disc, adjacent to the intervillous space. Major components of the placental basal plate include decidua basalis, fibrinoid, connective tissue, extravillous trophoblasts, and residues of degenerating villi and maternal vessels. UBERON:8600019 PBP placenta basal plate placental disc Aleix Puig-Barbé