human_reference_atlas has characterizing marker set has marker component CGB3 CSH1 EGFR KRT7 PSG4 cell cell type (from CL) trophoblast cell syncytiotrophoblast cell syncytiotrophoblast syncytial trophoblast cell FMA:83043 syncytiotrophoblast plasmidotrophoblast cell A cell from the outer syncytial layer of the trophoblast of an early mammalian embryo, directly associated with the maternal blood supply. It secretes hCG in order to maintain progesterone secretion and sustain a pregnancy. syncytiotrophoblastic cell https://github.com/obophenotype/cell-ontology/issues/2100 syntrophoblast cell CL:0000525 CT Homo sapiens sequence collection placenta chorionic plate anchoring villus chorionic ectoderm (from chorionic plate) floating villus immature intermediate villus mature intermediate villus placental disc stem villus terminal villus trophoblast island