anal part of perineum involuntary muscle
;
anal part of perineum non-striated muscle
;
anal part of perineum smooth muscle
;
anal part of perineum smooth muscle tissue
;
anal region involuntary muscle
;
anal region non-striated muscle
;
anal region smooth muscle tissue
;
anal triangle involuntary muscle
;
anal triangle non-striated muscle
;
anal triangle smooth muscle
;
anal triangle smooth muscle tissue
;
involuntary muscle of anal part of perineum
;
involuntary muscle of anal region
;
involuntary muscle of anal triangle
;
non-striated muscle of anal part of perineum
;
non-striated muscle of anal region
;
non-striated muscle of anal triangle
;
smooth muscle of anal part of perineum
;
smooth muscle of anal region
;
smooth muscle of anal triangle
;
smooth muscle tissue of anal part of perineum
;
smooth muscle tissue of anal region
;
smooth muscle tissue of anal triangle