Image analytic studies of melanin granules of human hairs with transmission electron micrographs

Using electron micrographs of human hairs, we measured the minor axis and density of melanin granules by an image analyser. The melanin density of the outer hair cortex was higher than that of the inner hair cortex, and significant differences were evident especially in the minor axis and density of...

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Bibliographic Details
Published inJournal of UOEH Vol. 12; no. 3; p. 335
Main Authors Kita, T, Hayashiba, Y, Minoda, M, Furuya, Y
Format Journal Article
LanguageJapanese
Published Japan 01.09.1990
Subjects
Adult
Female
Hair - metabolism
Hair - ultrastructure
Humans
Image Processing, Computer-Assisted
Melanins - metabolism
Microscopy, Electron
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Summary:Using electron micrographs of human hairs, we measured the minor axis and density of melanin granules by an image analyser. The melanin density of the outer hair cortex was higher than that of the inner hair cortex, and significant differences were evident especially in the minor axis and density of melanin granules among individuals. These quantitative analyses as to the minor axis and density of hair melanin granules are a reliable tool for the measurement of hair color.
ISSN:0387-821X
DOI:10.7888/juoeh.12.335