结直肠肛管 苏琪N0.2 HOSPITAL CHIINA MEDICAL UNIVERSITY
结直肠肛管 苏 琪 No.2 HOSPITAL CHINA MEDICAL UNIVERSITY
结肠特点 A ,如 图40-36 Dixon手术
结肠特点
直肠范围分段 要的几个同 壁腹膜 间,与州 直同 直肠 肛提肌 一直肠横襞 坐骨直肠窝 肛柱 肛管内括约肌 一直肠上静脉丛 缸管外括约肌深部 齿状线 性曾 缸管外括约肌浅部 肛管外括约肌皮下部 直肠下静脉丛
直肠范围分段
直肠的弯曲及直肠壶腹 Rectum and Anal canal Rectosigmoid junction Supenor rectal valve iddle rectal valve Inferior rectal valre 11-13 Anal columns (of Morgagni) Muscularis mucosae Circular muscle layer ret Longitudinal muscle layer Rectal fascia Levator ani muscle Anal sinus Anorectal (pectinate, or dentate) line Intemal rect plexus in submucous space Intemal sphincter muscle Surgica Deep extemal sphincter muscle anal canal Conjoined longitudinal muscle Anat 一2:53 atomical Superficial extemal sphincter muscle Anal valve I canal Anal crypt Anal verge ≈ al glands Sweat glands -Transverse fibrous septum and hairs in Intermuscular groove (white line of Hilton) Musculus submucosa ani perianal skin Extemal rectal venous plexus in perianal sPace Penanal space Corrugator cutis ani muscle Subcutaneous extemal sphincter muscl O CIBA-GEIGY
直肠的弯曲及直肠壶腹
直肠的粘膜面 Anorectal musculature Frontal section Superior fascia of pelvic diaphragm Inferior fascia of Circular muscle of rectum Muscularis mucosae of rectum Levator ani muscle Rectal fascia Deep extemal anal sphincter muscle Longitudinal muscle of rectum Intemal rectal venous plexus Conjoined longitudinal muscle Superficial extemal Intemal anal sphincter muscle anal sphincter muscle Musculus submucosa ani Transverse fibrous septum of ischiorectal Intermuscular groove (white line of Hiiton) Subcutaneous extemal anal sphincter muscle Ectemal rectal venous plexus Corrugator cutis ani muscle OCIEA-GEIGY
直肠的粘膜面