Osteometrical and CT Examination of the Japanese Wolf Skull.

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  • ENDO Hideki
    Department of Zoology, National Science Museum
  • OBARA Iwao
    Department of Education, National Science Museum
  • YOSHIDA Tomohiro
    Department of Veterinary Anatomy, Faculty of Agriculture, The University of Tokyo
  • KUROHMARU Masamichi
    Department of Veterinary Anatomy, Faculty of Agriculture, The University of Tokyo
  • HAYASHI Yoshihiro
    Department of Veterinary Anatomy, Faculty of Agriculture, The University of Tokyo
  • SUZUKI Naoki
    Department of Medical Engineering, The Jikei University School of Medicine

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  • Osteometrical and CT examination of the

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Abstract

The skulls of Japanese wolf (Canis hodophilax) were osteometrically examined and compared with those of Akita-Inu. The skull total length was not statistically different between two species. However, significant differences were demonstrated between two species in some ratios concerning the frontal bone. CT examination was carried out in the Japanese wolf skull. The data indicated that the frontal sinus is not be largely developed and compressed in the dorso-ventral direction in parasagittal area. The narrow frontal sinus fitted to external shape of the frontal bone. The cribriform plate had a well-developed complicated structure in a caudal part of the ethmoid bone. These data will be useful to examine the respiratory function and the olfactory sense in the Japanese wolf.

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