You are seeing Ask web results for pectoral fin.
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Fish anatomy - Wikipedia, the free encyclopedia
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This was partly based on developmental genetic data2, but also substantially on the pectoral fin skeleton of the elpistostegid (transitional fish/tetrapod) Panderichthys, which appeared to lack distal digit-like radials3.
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Wrists, ankles and digits distinguish tetrapod limbs from fins, but direct evidence on the origin of these features has been unavailable. Here we describe the pectoral appendage of a member of the sister group of tetrapods, Tiktaalik roseae, ... The pectoral fin of Panderichthys and the origin of digits...
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As yet, the functional significance of these historical trends in pectoral fin design remains largely untested by experiment. In this paper we test the proposal that variation in pectoral fin structure has an important influence on the magnitude and orientation of fluid forces generated during maneuvering locomotion.
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Automatic download; [Begin manual download] ... Downloading the PDF version of:; Integr. Comp. Biol. Drucker and Lauder 42 (5): 997. (954K) ... This file is in Adobe Acrobat (PDF) format. If you have not installed and configured the Adobe Acrobat Reader on your system, see Help with Printing for instructions.
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Pectoral fins - homologous to the tetrapod arm, the pectoral fins are supported by the pectoral girdle. They act as stabilizers and assist the fish in smaller motions and holding position. ... Some fishes such as scuplins and lionfishes the pectoral fins are enlarged and used for display, and as in those two examples the...
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flippers In cetaceans, the forelimbs (general - the limbs of marine mammals, including cetaceans and pinnipeds). Also called pectoral fin, these are paddle-shaped front limbs.
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Great white shark photos by Phillip Colla, Carcharodon carcharias. ... This shark bears a large scar just behind its right pectoral fin, which could be the result of entanglement in fishing gear or may be been acquired during a courtship or territorial dispute with another shark.
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The anatomy of the pectoral fin musculature is described, including muscle origins, insertions, tendons, and muscle masses. Skeletal structures are also described, including fin shape, fin ray morphology, and the structure of the radials and pectoral girdle.
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Dolphin Use of Pectoral Fin - single or multiple functions? DCP, Dr. Dudzinski specifically, is looking at how dolphins exchange pectoral fin contact. That is, how do they touch or rub each other with their flippers? ... Dr. Dudzinski is examining how dolphins exchange pectoral fin contact. That is, how do dolphins touch or...
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