1911 Encyclopædia Britannica/Bladder

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Blackwood, William

1911 Encyclopædia Britannica, Volume 4

Bladder

Bladder and Prostate Diseases

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17361751911 Encyclopædia Britannica, Volume 4 — Bladder

BLADDER (from A.S. blaēddre, connected with blāwan, to blow, cf. Ger. blase), the membranous sac in animals which receives the urine secreted from the kidneys. The word is also used for any similar sac, such as the gall-bladder, the swim-bladder in fishes, or the small vesicle in various seaweeds.