Anorectal anatomy in vivo. Its surgical application.
D001003:Anal Canal / Q000033:anatomy & histology* / Q000601:surgery; D001004:Anus Diseases / Q000601:surgery; D005401:Fissure in Ano / Q000601:surgery; D006801:Humans; D009132:Muscles / Q000033:anatomy & histology*; D012007:Rectum / Q000033:anatomy & histology*