sphincter muscle of urethra

n.

A muscle with origin from the ramus of the pubis, with insertion with its fellow muscle in the median raphe behind and in front of the urethra, with nerve supply from the pudendal nerve, and whose action constricts the membranous urethra.

Words nearby sphincter muscle of urethra

sphincter, sphincter muscle of common bile duct, sphincter muscle of pancreatic duct, sphincter muscle of pupil, sphincter muscle of pylorus, sphincter muscle of urethra, sphincter muscle of urinary bladder, sphincteralgia, sphincterectomy, sphincterismus, sphincteritis