回転式頭骨固定台 "Rotacraniophor I" の開発

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タイトル別名
  • Development of a rotatable skull holder "Rotacraniophor I".
  • 回転式頭骨固定台"Rotacraniophor I"の開発〔英文〕
  • カイテンシキ トウコツ コテイダイ Rotacraniophor I ノ カイ

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抄録

In craniometry skulls have been digitized by measuring with traditional instruments. These measuring instruments require too much time and labor, when measuring a large number of skulls. We have been studying secular changes in Japanese skulls with the technique of Fourier analysis. For this study, we must digitize the contours of many skulls in Norma frontalis, Norma occipitalis, Norma lateralis, Norma verticalis and Norma basilaris. The rotatable skull holder "Rotacraniophor I" which we developed here makes it possible to fix the skulls at the standardized directions mentioned above much more quickly and easily owing to its rotatable function when photographing. This holder is constructed with a turntable, two standing poles which hold a skull at both auditory pores and two units which indicate the Orbitale. These poles and units can be precisely slided on the rails and fixed at any position. In order to examine the precision of fixation of a skull in the partial different conditions of this apparatus we measured some landmarks on five different skulls. The standard error of their three-dimensional coordinates was in total within ±0.74mm in the x, y, z directions.

収録刊行物

  • 人類學雜誌

    人類學雜誌 97 (3), 393-405, 1989

    一般社団法人　日本人類学会

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