Bone geometry in cercopithecoid mandibles

Archives of Oral Biology
David J Daegling

Abstract

This study explores the relation between cortical bone geometry in the mandibular corpus and in vivo masticatory stress patterns and dietary specialization in cercopithecoid primates. Cortical bone distribution in the mandibles of three species of Old World monkeys (Macaca fascicularis, Procolobus badius, Lophocebus albigena) was measured by computed tomography. The arrangement of bone within sections was quantified as (1) the ratio of cortical area to the enclosed (total) subperiosteal area; (2) the ratio of orthogonal second moments of area; and (3) size-adjusted measures of cortical area and regional thickness. Cross-sectional geometry differed among samples, but consistent patterns of cortical thinning and bone area were found within individual sections. This consistency was despite the marked differences in diet and feeding behavior that distinguish the three taxa. Lingually thin and basally thick cortical bone was found in the three monkeys; previously published data suggest that this pattern may be stereotypical among anthropoid primates. It is hypothesized that the interactive effects of shear, bending and torsion produce eccentric loads in corpus sections, which are mirrored by this asymmetrical arrangement of cortical...Continue Reading

References

Nov 1, 1991·American Journal of Physical Anthropology·D J Daegling, F E Grine
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Citations

Mar 31, 2015·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·Shintaro KondoMasanaru Takai
Jul 15, 2004·American Journal of Physical Anthropology·David J Daegling
Oct 27, 2004·American Journal of Physical Anthropology·Anne M Burrows, Timothy D Smith
Aug 19, 2003·American Journal of Physical Anthropology·David J Daegling, Jennifer L Hotzman
May 16, 2007·American Journal of Physical Anthropology·David J Daegling, W Scott McGraw
Apr 5, 2013·American Journal of Physical Anthropology·Andrea B Taylor, Christopher J Vinyard
Nov 2, 2011·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Christopher J VinyardSusan H Williams
Nov 28, 2013·American Journal of Physical Anthropology·David J DaeglingW Scott McGraw
Jan 14, 2005·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·Callum F Ross, Keith A Metzger
Jun 2, 2005·Journal of Human Evolution·Andrea B Taylor
Apr 3, 2008·American Journal of Physical Anthropology·Hitoshi Fukase, Gen Suwa
Nov 30, 2006·American Journal of Physical Anthropology·David J Daegling
Jun 24, 2014·Evolutionary Anthropology·Callum F Ross, Jose Iriarte-Diaz
Jun 9, 2015·Biological Reviews of the Cambridge Philosophical Society·Matthew J RavosaKevin R McAbee
Sep 15, 2012·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Flora GröningPaul O'higgins
May 19, 2009·Journal of Human Evolution·Daisuke B Koyabu, Hideki Endo
Mar 25, 2018·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Susan Coiner-CollierRobert S Scott
May 10, 2018·Scientific Reports·Peter J WatsonFlora Gröning
Nov 22, 2016·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Hallie Edmonds

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