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Dorsal

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Basking shark dorsal fin photo

Basking shark (Cetorhinus maximus) dorsal fin

© Dianna Schulte, Blue Ocean Society
Definition: In marine life terms, the word dorsal refers to an anatomical structure that projects from the back or upper part of an organism, or in vertebrates, from the side where the backbone is located. See related word: dorsum.
Examples:
The whale had a large dorsal fin on its back. The shark's dorsal fin was dark gray.
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