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rdf:type |
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lifeskim:mentions |
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pubmed:dateCreated |
1990-5-24
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pubmed:abstractText |
The fibre-type distribution of the masseter muscle of the rabbit was studied by means of the myosin-ATPase and succinate dehydrogenase reactions. Six different fibre types were found and these were unequally distributed between and within the anatomical compartments of the muscle. Most of the masseter consists of slow- and fast-twitch oxidative fibres. The slow fibres increase in numbers in the deeper and more anterior regions of the muscle. Fast-twitch glycolytic fibres were almost exclusively found in the most posterior portions of the superficial and deep masseter. The fibre composition within the sagittally orientated anatomical compartments was found to be correlated with maximal contraction speeds during natural mastication as estimated from a mechanical model. However, the differences in fibre composition between the anatomical compartments (and hence between superficial and deep layers) appeared not to be correlated with contraction speed. The regional and compartmental specialisation within the masseter permits the muscle to perform many different functional roles in the generation and control of the jaw movements, jaw position and bite forces.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-10353,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-139387,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-154857,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-2432036,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-2939052,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-2944460,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-3430631,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-3467675,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-4119939,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-4120485,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-4137704,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-4248905,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-4254083,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-4261555,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-433798,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-4521647,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6195880,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6212040,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6216490,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6227313,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6229238,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6234174,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6242312,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6576736,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6655579,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-6749514,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-702192,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-7181128,
http://linkedlifedata.com/resource/pubmed/commentcorrection/2139021-7308364
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Feb
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pubmed:issn |
0021-8782
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
168
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
31-47
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pubmed:dateRevised |
2009-11-19
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pubmed:meshHeading |
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pubmed:year |
1990
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pubmed:articleTitle |
Histochemical and functional fibre typing of the rabbit masseter muscle.
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pubmed:affiliation |
Department of Anatomy and Embryology, University of Amsterdam, The Netherlands.
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pubmed:publicationType |
Journal Article
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