髂总动静脉 Common iliac av 乙状结肠 履胶 Sigmoid colon Visceral peritoneum 输尿管 输精管 Ureter Ductus deferens 腹膜璧层 Parietal peritoneum 膀胱 Urinary bladder 直肠膀脫陷四 Rectovesical 耻骨 Pubis 直肠低曲 耻骨前列腺韧带 Sacral flexure Puboprostatic lig of rectum 精索 精囊腺 Seminal vesicle Spermatic cord 阴茎 前列腺 Prostate enIs 阴茎头冠 盆 Corona of Pelvic diaphragm glans 直肠会阴曲 阴茎头 Perineal flexure Glans of penis of rectum 肛门 Scrotum 阴部静脉丛 球海绵体肌 肛门外括约肌 阴茎海绵体脚 Pudendal plexus External anal sphincter bulbocavernous m Crus of cavernous body of peni 52021/15 2021/1/26