rectoperinealis (muscle)

rectoperinealis (muscle)

[TA] superior portion of the anorectoperineal muscles extending anteriorly from the longitudinal muscle layer of the rectum to blend with the external urethral sphincter complex. Synonym(s): musculus rectoperinealis [TA], musculus rectourethralis superior ☆ , recto-urethralis superior (muscle) ☆