Growth and allometry in primate masticatory muscles
Identifieur interne : 000432 ( Istex/Curation ); précédent : 000431; suivant : 000433Growth and allometry in primate masticatory muscles
Auteurs : Susan Cachel [États-Unis]Source :
- Archives of Oral Biology [ 0003-9969 ] ; 1984.
English descriptors
- KwdEn :
- Adductor, Adult anthropoid masticatory muscles, Adult anthropoids, Allometric, Allometry, Allometry masticatory muscles, Anterior temporalis, Anterior temporalis muscle, Anthropoid, Anthropoid species, Atpt, Atpyg, Atpyg ratio, Basmajian, Body length, Body size, Body weight, Cent confidence intervals, Cercopithecus, Colobus polykomos, Common logs, Correlation coefficients, Digastric, Digastric muscles, Digastrics, Early surge, Fibre, General analysis, Lateral, Lateral pterygoid, Lateral pterygoid muscles, Lpmp, Lpmp index, Mandible, Mandibular, Mandibular depressors, Masseter, Masseter muscle, Masticatory, Masticatory muscles, Masticatory musculature, Medial, Medial pterygoid, Medial pterygoid muscle, Muscle indices, Musculature, Negative allometry, Other measures, Pongo, Pongo pygmaeus, Posterior temporalis, Posterior temporalis muscle, Primate, Primates, Prosimian, Pterygoid, Pterygoid digastrics adductor mass, Regression lines, Same species, Significant correlation, Skull length, Small animals, Specialized analysis, Temporalis, Temporalis masseter medial pterygoid, Total adductor mass, Various muscle indices.
- Teeft :
- Adductor, Adult anthropoid masticatory muscles, Adult anthropoids, Allometric, Allometry, Allometry masticatory muscles, Anterior temporalis, Anterior temporalis muscle, Anthropoid, Anthropoid species, Atpt, Atpyg, Atpyg ratio, Basmajian, Body length, Body size, Body weight, Cent confidence intervals, Cercopithecus, Colobus polykomos, Common logs, Correlation coefficients, Digastric, Digastric muscles, Digastrics, Early surge, Fibre, General analysis, Lateral, Lateral pterygoid, Lateral pterygoid muscles, Lpmp, Lpmp index, Mandible, Mandibular, Mandibular depressors, Masseter, Masseter muscle, Masticatory, Masticatory muscles, Masticatory musculature, Medial, Medial pterygoid, Medial pterygoid muscle, Muscle indices, Musculature, Negative allometry, Other measures, Pongo, Pongo pygmaeus, Posterior temporalis, Posterior temporalis muscle, Primate, Primates, Prosimian, Pterygoid, Pterygoid digastrics adductor mass, Regression lines, Same species, Significant correlation, Skull length, Small animals, Specialized analysis, Temporalis, Temporalis masseter medial pterygoid, Total adductor mass, Various muscle indices.
Abstract
Abstract: A study of the dry weights of primate and non-primate masticatory musculature permitted possible allometric and ontogenetic influences on this musculature to be explored. Using weight as an indicator of adult body size, all of the masticatory muscles examined (anterior temporalis, posterior temporalis, masseter, medial pterygoid, lateral pterygoid, digastrics, and total adductor mass) are isometric. This is true even when prosimians and non-primates are removed from consideration, leaving only adult anthropoid primates. Thus, size-related changes do not affect the masticatory musculature of anthropoids differently from the musculature of examined prosimians and non-primates. However, other measures of body size (skull length, head and body length) reveal a different picture. Yet, irrespective of the indicator of body size chosen, the allometric properties of the masticatory muscles appear similar and the fluctuations of the various muscle indices therefore reflect functional changes, and are not caused by allometry. Exudate-eating and frugivory are discussed in relation to body size and the development of the mandibular depressor muslces. The logs of the masticatory muscles do not show a significant correlation with age, except when species are followed across age grades. For the five anthropoid species for which this is possible, the medial and lateral pterygoid and digastric muscles are still not correlated with age. When all examined species are considered, some muscle ratios correlate significantly with age. Following anthropoid species across age grades singles out an early surge in growth of the medial pterygoid muscle over the masseter muscle, a situation which was apparent also in the general age correlation.
Url:
DOI: 10.1016/0003-9969(84)90102-X
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Growth and allometry in primate masticatory muscles</title><author><name sortKey="Cachel, Susan" sort="Cachel, Susan" uniqKey="Cachel S" first="Susan" last="Cachel">Susan Cachel</name><affiliation wicri:level="1"><mods:affiliation>Department of Anthropology, Douglass College, Rutgers University, New Brunswick, NJ 08903, U.S.A.</mods:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Anthropology, Douglass College, Rutgers University, New Brunswick, NJ 08903</wicri:regionArea></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:091C4663E2690CCDEB6B50AF562245A00CC8D66C</idno><date when="1984" year="1984">1984</date><idno type="doi">10.1016/0003-9969(84)90102-X</idno><idno type="url">https://api.istex.fr/document/091C4663E2690CCDEB6B50AF562245A00CC8D66C/fulltext/pdf</idno><idno 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type="ISSN">0003-9969</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1984">1984</date><biblScope unit="volume">29</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="287">287</biblScope><biblScope unit="page" to="293">293</biblScope></imprint><idno type="ISSN">0003-9969</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0003-9969</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adductor</term><term>Adult anthropoid masticatory muscles</term><term>Adult anthropoids</term><term>Allometric</term><term>Allometry</term><term>Allometry masticatory muscles</term><term>Anterior temporalis</term><term>Anterior temporalis muscle</term><term>Anthropoid</term><term>Anthropoid species</term><term>Atpt</term><term>Atpyg</term><term>Atpyg ratio</term><term>Basmajian</term><term>Body length</term><term>Body size</term><term>Body weight</term><term>Cent confidence intervals</term><term>Cercopithecus</term><term>Colobus polykomos</term><term>Common logs</term><term>Correlation coefficients</term><term>Digastric</term><term>Digastric muscles</term><term>Digastrics</term><term>Early surge</term><term>Fibre</term><term>General analysis</term><term>Lateral</term><term>Lateral pterygoid</term><term>Lateral pterygoid muscles</term><term>Lpmp</term><term>Lpmp index</term><term>Mandible</term><term>Mandibular</term><term>Mandibular depressors</term><term>Masseter</term><term>Masseter muscle</term><term>Masticatory</term><term>Masticatory muscles</term><term>Masticatory musculature</term><term>Medial</term><term>Medial pterygoid</term><term>Medial pterygoid muscle</term><term>Muscle indices</term><term>Musculature</term><term>Negative allometry</term><term>Other measures</term><term>Pongo</term><term>Pongo pygmaeus</term><term>Posterior temporalis</term><term>Posterior temporalis muscle</term><term>Primate</term><term>Primates</term><term>Prosimian</term><term>Pterygoid</term><term>Pterygoid digastrics adductor mass</term><term>Regression lines</term><term>Same species</term><term>Significant correlation</term><term>Skull length</term><term>Small animals</term><term>Specialized analysis</term><term>Temporalis</term><term>Temporalis masseter medial pterygoid</term><term>Total adductor mass</term><term>Various muscle indices</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Adductor</term><term>Adult anthropoid masticatory muscles</term><term>Adult anthropoids</term><term>Allometric</term><term>Allometry</term><term>Allometry masticatory muscles</term><term>Anterior temporalis</term><term>Anterior temporalis muscle</term><term>Anthropoid</term><term>Anthropoid species</term><term>Atpt</term><term>Atpyg</term><term>Atpyg ratio</term><term>Basmajian</term><term>Body length</term><term>Body size</term><term>Body weight</term><term>Cent confidence intervals</term><term>Cercopithecus</term><term>Colobus polykomos</term><term>Common logs</term><term>Correlation coefficients</term><term>Digastric</term><term>Digastric muscles</term><term>Digastrics</term><term>Early surge</term><term>Fibre</term><term>General analysis</term><term>Lateral</term><term>Lateral pterygoid</term><term>Lateral pterygoid muscles</term><term>Lpmp</term><term>Lpmp index</term><term>Mandible</term><term>Mandibular</term><term>Mandibular depressors</term><term>Masseter</term><term>Masseter muscle</term><term>Masticatory</term><term>Masticatory muscles</term><term>Masticatory musculature</term><term>Medial</term><term>Medial pterygoid</term><term>Medial pterygoid muscle</term><term>Muscle indices</term><term>Musculature</term><term>Negative allometry</term><term>Other measures</term><term>Pongo</term><term>Pongo pygmaeus</term><term>Posterior temporalis</term><term>Posterior temporalis muscle</term><term>Primate</term><term>Primates</term><term>Prosimian</term><term>Pterygoid</term><term>Pterygoid digastrics adductor mass</term><term>Regression lines</term><term>Same species</term><term>Significant correlation</term><term>Skull length</term><term>Small animals</term><term>Specialized analysis</term><term>Temporalis</term><term>Temporalis masseter medial pterygoid</term><term>Total adductor mass</term><term>Various muscle indices</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: A study of the dry weights of primate and non-primate masticatory musculature permitted possible allometric and ontogenetic influences on this musculature to be explored. Using weight as an indicator of adult body size, all of the masticatory muscles examined (anterior temporalis, posterior temporalis, masseter, medial pterygoid, lateral pterygoid, digastrics, and total adductor mass) are isometric. This is true even when prosimians and non-primates are removed from consideration, leaving only adult anthropoid primates. Thus, size-related changes do not affect the masticatory musculature of anthropoids differently from the musculature of examined prosimians and non-primates. However, other measures of body size (skull length, head and body length) reveal a different picture. Yet, irrespective of the indicator of body size chosen, the allometric properties of the masticatory muscles appear similar and the fluctuations of the various muscle indices therefore reflect functional changes, and are not caused by allometry. Exudate-eating and frugivory are discussed in relation to body size and the development of the mandibular depressor muslces. The logs of the masticatory muscles do not show a significant correlation with age, except when species are followed across age grades. For the five anthropoid species for which this is possible, the medial and lateral pterygoid and digastric muscles are still not correlated with age. When all examined species are considered, some muscle ratios correlate significantly with age. Following anthropoid species across age grades singles out an early surge in growth of the medial pterygoid muscle over the masseter muscle, a situation which was apparent also in the general age correlation.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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