《英文msh词典》Normal Placentomas
[入口词] Normal Placentomas
[主题词] Placenta
[英文释义] A highly vascularized mammalian fetal-maternal organ and major site of transport of oxygen,nutrients,and fetal waste products. It includes a fetal portion (CHORIONIC VILLI) derived from TROPHOBLASTS and a maternal portion (DECIDUA) derived from the uterine ENDOMETRIUM. The placenta produces an array of steroid,protein and peptide hormones (PLACENTAL HORMONES).