1. A distensible membranous sac (usually containing liquid or gas)
   "The bladder piscis is a symbol derived from the intersection of two circles";
   - vesica
    
2. A membranous sac for temporary retention of urine
   "The urinary bladder can typically hold about 400-600 ml of urine in adults";
   - urinary bladder
    
3. A bag that fills with air
   "The football's bladder needed to be replaced"

Derived forms: bladders

Type of: bag, sac

Part of: apparatus urogenitalis, football [N. Amer], genitourinary apparatus, genitourinary system, systema urogenitale, urinary apparatus, urinary system, urinary tract, urogenital apparatus, urogenital system

Encyclopedia: Bladder, neurogenic