[Study of the area of the striated anal sphincter].
D001003:Anal Canal / Q000033:anatomy & histology* / Q000648:ultrastructure*; D005401:Fissure in Ano / Q000601:surgery; D006801:Humans; D012003:Rectal Fistula / Q000601:surgery
Estudio en conjunto del esfínter estriado del ano.