 pelvic_fin |
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| 1. | [ noun ] (zoology) either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate | |
| Synonyms: | ventral_fin | |
| Related terms: | fin | |
| Similar spelling: |
pelvic_arch pelvic_girdle pelvic_cavity |
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