Evolutionary Strategy of P_3s of Japanese Monkeys (Macaca fuscata) Viewed in Higher Magnified Chaotic Structures of Dental Microwear using SEM(<Special Issue>Contribution to 21 Century Intelligent Technologies and Bioinformatics)

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概要

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• The occlusal surfaces of the sloping elongated crests of the mandibular third premolars (P_3s) of wild Japanese monkeys (Macaca fuscata) were used as cutting blocks against edges of maxillary canines (Cs) during threatening manifestation or food-eating, and microwear patterns on the crests were chaotic showing striations and pits using a scanning electron microscope (SEM). The additional striations of the older specimens showed more chaotic patterns than those of the younger ones. These microwear patterns resulted from eating hard foods and threatening behavior from C/P_3 complex. These patterns revealed by SEM showed the probable way for eating various hard foods for cercopithecoids to various environments from East Africa for baboons to East Asia for Japanese monkeys, and the C/P_3 complex is probably related to a way of their evolutionary strategy.

• バイオメディカル・ファジィ・システム学会の論文

著者

• Hojo Teruyuki

  University Of Sangyoidai School Of Medicine

関連論文

• Evolutionary Strategy of P_3s of Japanese Monkeys (Macaca fuscata) Viewed in Higher Magnified Chaotic Structures of Dental Microwear using SEM(Contribution to 21 Century Intelligent Technologies and Bioinformatics)

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