title: Observations of guinea pig syncytiotrophoblast cultured in vitro.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D004717:Endometrium / Q000166:cytology; D005260:Female; D006168:Guinea Pigs; D010920:Placenta / Q000166:cytology; D011247:Pregnancy; D014327:Trophoblasts / Q000166:cytology*