title: Anatomy of the external anal sphincter.
mesh_terms: D000328:Adult; D001003:Anal Canal / Q000033:anatomy & histology*; D001344:Autopsy; D004210:Dissection; D005260:Female; D006801:Humans; D008297:Male; D009132:Muscles / Q000033:anatomy & histology*; D012737:Sex Factors; D009626:Terminology as Topic; D014867:Water
chemical_list: D014867:Water