Swim bladder
label: Bexiga natatória @pt
label: Schwimmblase @de
label: 鰾 @ja
label: Simblåsa @sv
label: Plynový měchýř @cs
label: Pęcherz pławny @pl
label: Igeri-maskuri @eu
label: Плавальний міхур @uk
label: مثانة العوم @ar
label: Naĝoveziko @eo
label: Gelembung renang @in
label: Vescica natatoria @it
label: Плавательный пузырь @ru
label: Vessie natatoire @fr
label: Vejiga natatoria @es
label: Zwemblaas @nl
label: 부레 (기관) @ko
label: Bufeta natatòria @ca
subject: Category:Fish anatomy
subject: Category:Organs (anatomy)
align: right
salign: right
source: Charles Darwin, 1859
quote: The illustration of the swim bladder in fishes ... shows us clearly the highly important fact that an organ originally constructed for one purpose, namely, flotation, may be converted into one for a widely different purpose, namely, respiration. The swim bladder has, also, been worked in as an accessory to the auditory organs of certain fishes. All physiologists admit that the swimbladder is homologous, or “ideally similar” in position and structure with the lungs of the higher vertebrate animals: hence there is no reason to doubt that the swim bladder has actually been converted into lungs, or an organ used exclusively for respiration. According to this view it may be inferred that all vertebrate animals with true lungs are descended by ordinary generation from an ancient and unknown prototype, which was furnished with a floating apparatus or swim bladder.
description: Arrain gehienek digestio-hodiaren alde dortsalean daukaten organo hidrostatikoa @eu
description: narząd występujący u wielu ryb @pl
description: भरे अंग जो अपनी उर्जाता को नियंत्रित करने के लिए मछली की क्षमता में योगदान देता है @hi
description: gas-filled organ that contributes to the ability of a fish to control its buoyancy
description: órgano de flotación que poseen muchos peces óseos @es
description: organe des poissons osseux @fr
description: organo interno dei pesci @it
description: মাছের শ্বসন অঙ্গ @bn
description: plynem plněný orgán ryb @cs
description: órgão presente em peixes ósseos @pt
description: Орган код риба @sr
description: वाताशयः @sa
description: Kalan uimasyvyyttä säätelevä elin @fi
description: 어류의 부력 기관 @ko
description: ಅದರ ತೇಲುವಿಕೆಯನ್ನು ನಿಯಂತ್ರಿಸುವ ಮೀನಿನ ಸಾಮರ್ಥ್ಯಕ್ಕೆ ಕೊಡುಗೆ ನೀಡುವ ಅನಿಲ ತುಂಬಿದ ಅಂಗ @kn
description: s plinom napolnjen organ, ki prispeva k sposobnosti ribe, da nadzoruje svoj vzgon @sl
description: Organ der Knochenfische @de
wiki page external link: https://books.google.com/books%3Fid=E_yI3mB2QI8C&printsec=frontcover&dq=%22Deep-sea+fishes%22&hl=en&sa=X&ei=T1MWVZmLOKe7mwWyyIDgAw&ved=0CBwQ6AEwAA%23v=onepage&q=%22Deep-sea%20fishes%22&f=false
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