Urethral-hymenal fusion.
D003556:Cystitis / Q000209:etiology*; D005260:Female; D006801:Humans; D006924:Hymen / Q000002:abnormalities*; D008297:Male; D014521:Urethra / Q000002:abnormalities*; D014526:Urethritis / Q000209:etiology*; D014552:Urinary Tract Infections / Q000209:etiology*; D014555:Urination Disorders / Q000209:etiology*