The seminal vesicles are two sacs which lie next to the ampullae (the enlarged endings of the vasa deferentia) behind the bladder and near the top of the prostate gland.
英
美
- 精囊腺是两个侧置于壶腹(输精管的膨大末端)旁、居膀胱后方、靠近前列腺顶端的囊袋状结构。