1
40
4
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Text
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<a href="http://doi.org/10.1002/jmor.10951" target="_blank" rel="noreferrer noopener">http://doi.org/10.1002/jmor.10951</a>
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
Pages
833-849
Issue
7
Volume
272
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Dublin Core
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Title
A name given to the resource
The Functional Morphology Of The Anterior Masticatory Apparatus In Tree-gouging Marmosets (cebidae, Primates)
Publisher
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Journal of Morphology
Date
A point or period of time associated with an event in the lifecycle of the resource
2011
2011-07
Subject
The topic of the resource
adductor muscle force; Anatomy & Morphology; bone; callithrix-jacchus; callitrichines; decussation; dental enamel; dietary; distribution; exudativory; fiber architecture; iterative selection method; mandible; mandibular form; stress; symphyseal fusion; teeth; thickness
Creator
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Hogg R T; Ravosa M J; Ryan T M; Vinyard C J
Description
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Although all genera of Callitrichinae feed on tree exudates, marmosets (Callithrix and Cebuella) use specialized anterior teeth to gouge holes in trees and actively stimulate exudate flow. Behavioral studies demonstrate that marmosets use large jaw gapes but do not appear to generate large bite forces (relative to maximal ability) during gouging. Nonetheless, the anterior teeth of marmosets likely experience different loads during gouging compared to nongouging platyrrhines. We use histological data from sectioned teeth, mu CTs of jaws and teeth, and in vitro tests of symphyseal strength to compare the anterior masticatory apparatus in Callithrix to nongouging tamarins (Saguinus) and other cebids. We test the hypotheses that (1) marmoset anterior teeth are adapted to accommodate relatively high stresses linked to dissipating gouging forces and (2) the mandibular symphysis does not provide increased load resistance ability compared with closely related nongouging platyrrhines. Differences in decussation between Callithrix and Saguinus are greatest in the anterior teeth, suggesting an increased load resistance ability specifically in incisor and canine enamel of Callithrix. Callithrix lower incisor crowns are labiolingually thicker suggesting increased bending resistance in this plane and improved wedging ability compared with Saguinus. Anterior tooth roots are larger relative to symphyseal bone volume in Callithrix. Anterior tooth root surface areas also are larger in marmosets for their symphyseal volume, but it remains unclear whether this relative increase is an adaptation for dissipating dental stresses versus a growth-related byproduct of relatively elongated incisors. Finally, simulated jaw loading suggests a reduced ability to withstand external forces in the Callithrix symphysis. The contrast between increased load resistance ability in the anterior dentition versus relatively reduced symphyseal strength (1) suggests a complex loading environment during gouging, (2) highlights the possibility of distinct loading patterns in the anterior teeth versus the symphysis, and (3) points to a potential mosaic pattern of dentofacial adaptations to tree gouging. J. Morphol. 272:833-849, 2011. (C) 2011 Wiley-Liss, Inc.
Identifier
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<a href="http://doi.org/10.1002/jmor.10951" target="_blank" rel="noreferrer noopener">10.1002/jmor.10951</a>
Format
The file format, physical medium, or dimensions of the resource
Journal Article or Conference Abstract Publication
2011
adductor muscle force
Anatomy & Morphology
Bone
callithrix-jacchus
callitrichines
decussation
dental enamel
Dietary
distribution
Exudativory
fiber architecture
Hogg R T
iterative selection method
Journal Article or Conference Abstract Publication
Journal of morphology
Mandible
mandibular form
Ravosa M J
Ryan T M
Stress
symphyseal fusion
Teeth
thickness
Vinyard C J
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
n/a
Rights
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
Pages
289-289
Volume
165
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Dublin Core
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Title
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The Weakest Link: Performance and Fusion of the Primate Mandibular Symphysis
Publisher
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American Journal of Physical Anthropology
Date
A point or period of time associated with an event in the lifecycle of the resource
2018
2018-04
Subject
The topic of the resource
Anthropology; Evolutionary Biology
Creator
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Vinyard C J; Ravosa M J
Identifier
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n/a
Format
The file format, physical medium, or dimensions of the resource
Journal Article
2018
American journal of physical anthropology
Anthropology
Evolutionary Biology
Journal Article
Ravosa M J
Vinyard C J
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
n/a
Rights
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
Pages
287-287
Volume
156
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Title
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Functional scaling trends in the trabecular architecture of the mandibular condyle of Strepsirrhine primates
Publisher
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American Journal of Physical Anthropology
Date
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2015
2015-03
Subject
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Anthropology; Evolutionary Biology
Creator
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Siegel N D; Ravosa M J; Vinyard C J
Identifier
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n/a
Format
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Journal Article
2015
American journal of physical anthropology
Anthropology
Evolutionary Biology
Journal Article
Ravosa M J
Siegel N D
Vinyard C J
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
n/a
Rights
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
Pages
221-221
Volume
165
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Title
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Inside Out: Intrinsic Determinants of Morphological Variation in the Developing Skeleton
Publisher
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American Journal of Physical Anthropology
Date
A point or period of time associated with an event in the lifecycle of the resource
2018
2018-04
Subject
The topic of the resource
Anthropology; Evolutionary Biology
Creator
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Ravosa M J; Coiner-Collier S; Holton N E; Franks E M; Lemkuil A M; McGough E B
Identifier
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n/a
Format
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Journal Article
2018
American journal of physical anthropology
Anthropology
Coiner-Collier S
Evolutionary Biology
Franks E M
Holton N E
Journal Article
Lemkuil A M
McGough E B
Ravosa M J