_:b668239343 . _:b668239343 "American_Heritage:The_American_Heritage_Dictionary_of_the_English_Language--4th_Ed"^^ . _:b668239343 . _:b668239343 "Measurement of the physical form or structure of the urinary bladder, the elastic, muscular sac in which urine collects before excretion."^^ . _:b668239343 . _:b668239343 .