Achalasia of the vesical sphincter.
D004194:Disease; D004931:Esophageal Achalasia; D006801:Humans; D008297:Male; D014521:Urethra; D014522:Urethral Diseases; D001743:Urinary Bladder; D014554:Urination; D014555:Urination Disorders / Q000209:etiology*
URETHRA/diseases; URINATION DISORDERS/etiology and pathogenesis