Image: Anatomia dei pesci
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Description: Ray-finned fish come in many forms. The figure shows general characteristics of the more common anatomical parts: A - dorsal fin: B - fin rays: C - lateral line: D - kidney: E - swim bladder: F - apparatus of Weber: G - inner ear: H - brain: I - nostrils: L - eye: M - gills: N - heart O - stomach: P - gall bladder: Q - sple R - internal sex organs (ovaries or testes): S - ventral fins: T - spine: U - anal fin: V - tail (caudal fin). Possible other parts not shown: barbels, adipose fin, external genitalia (gonopodium).
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