日本香粧品学会誌
Online ISSN : 2188-0719
Print ISSN : 1880-2532
ISSN-L : 1880-2532
教育セミナー: ニキビ,赤ら顔に迫る~脂腺を取り巻く最新科学~
脂腺の構造と機能
伊藤 雅章
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ジャーナル フリー

2016 年 40 巻 2 号 p. 93-96

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Sebaceous glands synthesize sebum and secrete it to the skin surface through hair follicular canals. The abnormalities of the functions of the sebaceous glands are closely related to the pathogenesis of acne vulgaris, seborrhea, seborrheic dermatitis, sebaceous gland hyperplasia, and so on. In this article, scientific features of human sebaceous glands and sebum are overviewed; namely, the morphological characteristics of the glands, the biochemical features of sebum, the change of sebum contents during ageing, the biological roles of sebum, and so on. Finally, the pathogenesis of sebaceous gland hyperplasia is discussed; the extreme enlargement of some sebaceous glands is caused neither by an oncogenic factor nor by a hamartomatous condition, but it may be due to a malfunction of the control mechanisms of the cell production from germinal sebocytes, although the cell differentiation of the generated daughter sebocytes is still preserved normal.

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© 2016 日本香粧品学会
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