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Download Biomechanics of Feeding in Vertebrates by C. Gans (auth.), Vincent L. Bels, Michel Chardon, Pierre PDF

By C. Gans (auth.), Vincent L. Bels, Michel Chardon, Pierre Vandewalle (eds.)

Although feeding isn't but been completely studied in lots of vertebrates taxa, and diversified conceptual and methodological methods of the involved scientists make a synthesis tough, the purpose of the editors is to supply a complete review of the feeding layout in aquatic and terrestrial vertebrates with an in depth description of its practical houses. The booklet emphasizes the consistent interplay among functionality and shape, behaviour and morphology during evolution of the feeding gear and method of feeding either complementary and essentially on the topic of survival interspecific pageant, edition to environmental adjustments and adaptive radiations. exact tension is drawn onquantification of the observational and experimental info at the morphology and biomechanics of the feeding layout and its aspect jaws, enamel, hyoidean equipment, tongue, so as to let current and additional comparisons in an evolutionary perspective.

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Pteropus runs a close second to the cat; these bats subsist on soft fruit pulp and Functional Properties of the Feeding Musculature 21 juices (De Gueldre and De Vree 1991). Second, Rowlerson (1990) has noted the preponderance of nonoxidative fibers in jaw muscles which are sexually dimorphic (usually temporalis). Her interpretation is that the dimorphism is related to the need of the male (larger and less oxidative) muscle for a rapid and powerful bite, but a simpler interpretation is that the "extra" fibers of dimorphic muscles, as they are not necessary for mastication, are only seldom used and hence do not develop much oxidative capacity.

Muscle Nerve 10: 744-752 Easton JW, Carlson DS (1990) Adaptation of the lateral pterygoid and superfical masseter muscles to mandibular protrusion in the rat. Am J Orthod Dentofac Orthop 97: 149-158 Edstrom L, Lindquist C (1973) Histochemical fiber composition of some facial muscles in the cat in relation to their contractjon properties. Acta Physiol Scand 89: 491-503 Ellis E III, Dechow PC, Carls9fl DS (1988) A comparison of stimulated bite force after mandibular advancement using rigid and non-rigid fixation.

Each group of teeth shows, on the left, an upper and lower tooth from a relatively central locus of the tooth row; to the right of each group is a relatively posterior upper and lower tooth. Positions of the teeth from the jaw's center are shown by the number below each. The species in row A are, from left to right: blacknose (Carcharhinus arcronotus), lemon (N egaprion brevirostris), oceanic white tip (C. longimanus), tiger (Galeocerdo cuvier). In row B, the species are: great white (Carcharodon carcharias), short-fin mako (Isurus oxyrhinchus), sand tiger (Eugomphodus [= Odontaspis] taurus).

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