Involution and hormone-induced persistence of the M. sphincter (levator) ani in female rats.
D001003:Anal Canal; D000818:Animals; D005260:Female; D008297:Male; D009119:Muscle Contraction; D024510:Muscle Development; D009132:Muscles / Q000033:anatomy & histology / Q000196:embryology; D009929:Organ Size; D051381:Rats; D012737:Sex Factors; D013739:Testosterone / Q000494:pharmacology*
D013739:Testosterone