title: Preparation of human placental villous surface membrane.
mesh_terms: D002823:Chorion / Q000032:analysis / Q000648:ultrastructure*; D005321:Extraembryonic Membranes / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D010920:Placenta / Q000032:analysis / Q000648:ultrastructure*; D011247:Pregnancy; D011374:Progesterone / Q000032:analysis; D013499:Surface Properties
chemical_list: D011374:Progesterone