Signposts ahead

Hard tissue signals on rue Armand de Ricqlès

Timothy Bromage, Yusuf M. Juwayeyi, Igor Smolyar, Bin Hu, Santiago Gomez, Vincent J. Scaringi, Sydnee Chavis, Premsai Bondalapati, Khushmit Kaur, John Chisi

Research output: Contribution to journalArticle

Abstract

Of the major contributions to our understanding of the skeleton made by Armand de Ricqlès is the notion that within the microanatomy of bonewemay observe "signals", some relating to phylogeny, and others to aspects of growth, function, and physiology. We are motivated to follow this road, as it were, and read the "signposts" along the way. Incremental structures are such signposts, representing biological rhythms as successive forming fronts in enamel and bone. A long period rhythm in humans, which occurs on average every eight to nine days, is observed in enamel as the stria of Retzius and in bone as the lamella. Because lamellae are formed within defined periods of time, quantitative measures of widths of individual lamellae provide time-resolved growth rate variability. Results obtained on primary incremental lamellar bone from midshaft femur histological sections of sub-Saharan Africans of Bantu origin and known life history reveal environmental effects heretofore unknown.

Original languageEnglish (US)
Pages (from-to)499-507
Number of pages9
JournalComptes Rendus - Palevol
Volume10
Issue number5-6
DOIs
StatePublished - 2011

Fingerprint

bone
enamel
biological rhythm
environmental effect
skeleton
physiology
phylogeny
life history
road
tissue

Keywords

  • Enamel striae of Retzius
  • Growth rhythms
  • Lamellar bone

ASJC Scopus subject areas

  • Palaeontology

Cite this

Bromage, T., Juwayeyi, Y. M., Smolyar, I., Hu, B., Gomez, S., Scaringi, V. J., ... Chisi, J. (2011). Signposts ahead: Hard tissue signals on rue Armand de Ricqlès. Comptes Rendus - Palevol, 10(5-6), 499-507. https://doi.org/10.1016/j.crpv.2011.01.009

Signposts ahead : Hard tissue signals on rue Armand de Ricqlès. / Bromage, Timothy; Juwayeyi, Yusuf M.; Smolyar, Igor; Hu, Bin; Gomez, Santiago; Scaringi, Vincent J.; Chavis, Sydnee; Bondalapati, Premsai; Kaur, Khushmit; Chisi, John.

In: Comptes Rendus - Palevol, Vol. 10, No. 5-6, 2011, p. 499-507.

Research output: Contribution to journalArticle

Bromage, T, Juwayeyi, YM, Smolyar, I, Hu, B, Gomez, S, Scaringi, VJ, Chavis, S, Bondalapati, P, Kaur, K & Chisi, J 2011, 'Signposts ahead: Hard tissue signals on rue Armand de Ricqlès', Comptes Rendus - Palevol, vol. 10, no. 5-6, pp. 499-507. https://doi.org/10.1016/j.crpv.2011.01.009
Bromage, Timothy ; Juwayeyi, Yusuf M. ; Smolyar, Igor ; Hu, Bin ; Gomez, Santiago ; Scaringi, Vincent J. ; Chavis, Sydnee ; Bondalapati, Premsai ; Kaur, Khushmit ; Chisi, John. / Signposts ahead : Hard tissue signals on rue Armand de Ricqlès. In: Comptes Rendus - Palevol. 2011 ; Vol. 10, No. 5-6. pp. 499-507.
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