title: [Observations on the construction of the subcutaneous external anal sphincter].
mesh_terms: D001003:Anal Canal / Q000033:anatomy & histology*; D005260:Female; D006801:Humans; D008297:Male; D009132:Muscles / Q000033:anatomy & histology
vernacular_title: Observaciones sobre la construcción del esfínter anal externo subcutáneo.