Rectal the lymphatic vessels and more with the corresponding return of the rectum along the upper part of the lymphatic drainage vessel on the rectum, upward into the mesenteric lymph nodes.是什么意思_Rectal the lymphatic vessels and more with the corresponding return of the rectum along the upper part of the lymphatic drainage vessel on the rectum, upward into the mesenteric lymph nodes.在线翻译_英语_读音_用法_例句