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Growth pattern of the maxillary sinus in the Japanese macaque (Macaca fuscata): reflections on the structural role of the paranasal sinuses by THOMAS KOPPE; HIROSHI NAGAI is a Earth and Planetary Sciences article available to read on EtoBox.

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To investigate the claim that the primate paranasal sinuses possess not a functional but a structural role associated with the skull architecture (Blaney, 1990), the relationship between the maxillary sinus and the skull architecture was studied ontogenetically in 30 skulls of male and female Japanese macaques (__Macaca fuscata__). Coronal CT scan series and computerised 3‐dimensional images served to evaluate the maxillary sinus. The definitive hemispherical shape of the sinus was already achieved after the completion of the primary dentition. Sinus volume increased with a trend indicating positive allometry. When compared with an ontogenetic data set of orang‐utan (Koppe et al. 1995), however, the growth rate of the maxillary sinus of __M. fuscata__ was significantly less. The maxillary sinus both of male and female macaques enlarged according to a common growth pattern. However, no sexual dimorphism could be established for the maxillary sinus size. Although the volume of the right maxillary sinus was normally bigger than that of the left side, the results suggested that asymmetry in maxillary sinus volume is related neither to skull size nor sex. Whereas a correlation analysis

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Author

THOMAS KOPPE; HIROSHI NAGAI

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0021-8782)

Published

1997

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)