Journal article
Lamellar Bone is an Incremental Tissue Reconciling Enamel Rhythms, Body Size, and Organismal Life History
Calcified tissue international, v 84(5), pp 388-404
May 2009
PMID: 19234658
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Mammalian enamel formation is periodic, including fluctuations attributable to the daily biological clock as well as longer-period oscillations that enigmatically correlate with body mass. Because the scaling of bone mass to body mass is an axiom of vertebrate hard tissue biology, we consider that long-period enamel formation rhythms may reflect corresponding and heretofore unrecognized rhythms in bone growth. The principal aim of this study is to seek a rhythm in bone growth demonstrably related to enamel oscillatory development. Our analytical approach is based in morphology, using a variety of hard tissue microscopy techniques. We first ascertain the relationship among long-period enamel rhythms, the striae of Retzius, and body mass using a large sample of mammalian taxa. In addition, we test whether osteocyte lacuna density (a surrogate for rates of cell proliferation) in bone is correlated with mammalian body mass. Finally, using fluorescently labeled developing bone tissues, we investigate whether the bone lamella, a fundamental microanatomical unit of bone, relates to rhythmic enamel growth increments. Our results confirm a positive correlation between long-period enamel rhythms and body mass and a negative correlation between osteocyte density and body mass. We also confirm that lamellar bone is an incremental tissue, one lamella formed in the species-specific time dependency of striae of Retzius formation. We conclude by contextualizing our morphological research with a current understanding of autonomic regulatory control of the skeleton and body mass, suggesting a central contribution to the coordination of organismal life history and body mass.
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Details
- Title
- Lamellar Bone is an Incremental Tissue Reconciling Enamel Rhythms, Body Size, and Organismal Life History
- Creators
- Timothy Bromage - Departments of Biomaterials and Biomimetics and Basic Science and Craniofacial Biology New York University College of Dentistry 345 East 24th Street New York NY 10010 USARodrigo Lacruz - Institute for Human Evolution and BPI Palaeontology, School of GeoSciences University of the Witwatersrand Johannesburg South AfricaRussell Hogg - Department of Anthropology, The Graduate Center The City University of New York New York NY USAHaviva Goldman - Department of Neurobiology and Anatomy Drexel University College of Medicine Philadelphia PA USAShannon McFarlin - Department of Anthropology The George Washington University Washington DC USAJohanna Warshaw - Department of Basic Science and Craniofacial Biology New York University College of Dentistry New York NY USAWendy Dirks - School of Dental Sciences Newcastle University Newcastle upon Tyne UKAlejandro Perez-Ochoa - Centro Superior de Estudios Universitarios Lasalle University Madrid SpainIgor Smolyar - National Oceanographic Data Center National Oceanic and Atmospheric Administration Silver Spring MD USADonald Enlow - Case School of Dental Medicine Case Western Reserve University Cleveland OH USAAlan Boyde - Dental Biophysics, Centre for Oral Growth and Development Queen Mary University of London London UK
- Publication Details
- Calcified tissue international, v 84(5), pp 388-404
- Publisher
- Springer-Verlag; New York
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Neurobiology and Anatomy
- Web of Science ID
- WOS:000265574900007
- Scopus ID
- 2-s2.0-67349153719
- Other Identifier
- 991014878418304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Endocrinology & Metabolism