Placental chorioangioma is the most common benign tumor of placenta. 摘要胎盤絨毛膜血管瘤是胎盤最常見的良性腫瘤。
These results indicate that renin-angiotensin system may exist independently in human placental villi during early pregnancy. 提示人妊娠早期胎盤絨毛組織可能已存在著獨立的腎素一血管緊張素系統。