| 释义 |
anorectoperineal muscles anorectoperineal mus·cles [TA] smooth muscle fibers that pass forward from the longitudinal muscle layer of the rectum and anal canal to blend with the external urethral sphincter complex. Synonym(s): musculi anorectoperineales [TA], musculi rectourethrales ☆ , rectourethral muscles ☆ |