Plants and Animals

What are paired fins?

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In addition to these unpaired fins, most fish also have paired fins. These are the pectoral fins, placed just back of the gills, and the pelvic, or ventral, fins, variable in position and sometimes lacking entirely.

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New research on developmental biology from D. Ahn and co-authors summarized.
Newspaper article from: Life Science Weekly ...phases during teleost paired fin development, we re...development of pectoral fins in zebrafish. We found...distal structure of the fin, the fin blade. Like in tetrapods...in zebrafish pectoral fins during the distal/third...evolution of vertebrate paired appendages. ...
Recent findings from J.A. Gillis and co-authors highlight research in science.
Newspaper article from: Science Letter ...Additionally, we demonstrate that paired appendages and branchial rays share...evolutionary origin predating vertebrate paired appendages and may have functioned...pattern the vertebrate gill arch and paired fin skeletons. Proceedings of the National...
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Newspaper article from: Science Letter ...can easily be homologized with the paired fin skeletons of sarcopterygian ( lobe...interpreted digits as derivatives of fin radials, but during the 1990s the...without direct equivalents in fish fin skeletons. This was partly based on...
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Newspaper article from: Science Letter ...shape changes throughout the fin surface," wrote K. Shoele...to passive deformations of the fin, which can increase the thrust...interactions of skeleton-reinforced fins: performance analysis of a paired fin in lift-based propulsion...
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Newspaper article from: Health & Medicine Week ...researchers concluded: "Although all four genes have been involved in the evolution of developmental programs regulating paired fin and (later) limb outgrowth and patterning, and most are also implicated in eye and heart development, linkage maintenance...
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