Key:Male Puboprostaticus Pubococcygeus Puborectalis Urinary bladder Muscle of uvula Rectum Rectovesicalis Coccyx Muscles compressing urethra: Internal urethral sphincter Pubovesicalis External urethral sphincter Compressor urethrae Prostate Urethra Male Key:Female Pubovesicalis Vagina Pubococcygeus Puborectalis ☐Rectovesicalis Urinary bladde Rectum Muscles compressing urethra: Pubis Compressor urethrae Coccyx External urethral sphincter Muscles compressing vagina: Pubovaginalis Urethrovaginal sphincter (part of external Urethra Perineal body urethral sphincter） Bulbospongiosus Female