Relationship of strain magnitude to morphological variation in the primate skull

American Journal of Physical Anthropology
David J Daegling

Abstract

In a comparative study of variation in primate skulls, Wood and Lieberman ([2001] Am. J. Phys. Anthropol. 116:13-25) proposed that a predictable relationship exists between in vivo bone-strain magnitudes and the extent of morphological variation in skeletal structures. They hypothesized that regions subject to high strains are prone to enhanced levels of variation. Three questions are posed with respect to the plausibility of this hypothesis. First, does the proposed relationship hold at different levels of analysis (e.g., for more restricted anatomical regions in which large strain gradients are present)? Second, is the biomechanical rationale for the hypothesis sound, given the current understanding of bone biology? Third, is the hypothesis obviated by consideration of the functional matrix concept of skull development, in which osseous growth is posited to be governed by surrounding soft tissues (e.g., muscle and tendon) and developing spaces (e.g., the nasal capsule)? The different perspectives explored by these questions suggest that the validity of the hypothesis, despite having a defensible theoretical rationale, is likely to be context-specific. A direct role for strain magnitude in conditioning morphological variation ...Continue Reading

References

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Sep 1, 1991·American Journal of Physical Anthropology·W L HylanderK R Johnson
Jan 1, 1968·Acta Biotheoretica·M L Moss
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Sep 19, 1997·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·M L Moss
Nov 5, 1997·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·M L Moss
Jan 24, 1998·Journal of Morphology·C J Vinyard, M J Ravosa
Aug 5, 2000·American Journal of Physical Anthropology·P C Dechow, W L Hylander
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Jan 5, 2002·Journal of Bone and Mineral Research : the Official Journal of the American Society for Bone and Mineral Research·Y F HsiehC H Turner
Apr 2, 2002·Archives of Oral Biology·David J Daegling
Dec 1, 1960·American Journal of Physical Anthropology·M L Moss, R W Young

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Citations

Jun 2, 2005·Evolution; International Journal of Organic Evolution·Katherine Elizabeth WillmoreBenedikt Hallgrímsson
Nov 23, 2013·American Journal of Physical Anthropology·Nathan E HoltonThomas E Southard
Apr 18, 2006·American Journal of Physical Anthropology·Qian Wang, Paul C Dechow

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