1、 Section 3 The perineumUrogenital triangle Anal triangle MaleSection 3 The perineumFemaleUrogenital triangle Anal triangle Section 3 The perineumObstetrical perineum Section 3 The perineumFemaleAppendix II The Perineum (会阴)A. The Anal Region (triangle)肛区 (肛三角)B. The Urogenital Region (triangle) 尿生殖区
2、(尿生殖三角)A. The Anal Region (Triangle)1. Pelvic diaphragm (盆膈)1) superior fascia of pelvic diaphragm (盆膈上筋膜)2) levator ani (肛提肌) & coccygeus (尾骨肌)3) inferior fascia of pelvic diaphragm (盆膈下筋膜)2 Anal canal (肛管)1. Internal structure1) anal columns (肛柱) 2) anal valves (肛瓣) fissure in ano 肛裂 3) anal sinuses (肛窦) anal fistula 肛瘘 4) dentate (anocutaneous) line (齿状线)5) anal pecten (肛梳) pile (hemorrhoid) 痔6) white line (intersphincter sulcus) (白线)7) anus (肛门) examination per anus 肛门检查A. The Anal Region2. sphincter ani externus (肛门外括约肌)皮下部 浅部 深部A. The Anal Region
