Measurements of Skin Reflectance in a Japanese Twin Sample

ヒ トの皮 膚 色 を純 客観 的且 つ 簡 便 に記 録 す る方 法 と して,比 較 的小 型 の 光電 反射計による

Keiichi OMOTO


Scholarcy highlights

  • ヒ トの皮 膚 色 を純 客観 的且 つ 簡 便 に記 録 す る方 法 と して,比 較 的小 型 の 光電 反射計による
  • The luminous reflectance of the skin has been measured in a sample of 87 monozygotic, 14 dizygotic and unlike-sexed twin pairs aged from to 18 years, using the Phtovolt photoelectric reflection meter
  • The measurement technique is sufficiently sensitive in determining the extragenic influences on monozygotic twin pairs, if the deviation due to measurement error in two successive reflectance readings can be kept within 1.0%
  • It was suggested that an increase in skin reflectance values, probably due to the puberty changes of the endocrine status, may take place more markedly and slightly earlier in females than in males
  • No significant difference of the mean intrapair variances was found, in both sexes between lower and higher age groups

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