The human hair : its structure, growth, diseases, and their treatment / by Hermann Beigel.

  • Hermann Heinrich Beigel
Date:
1869
Catalogue details

Licence: Public Domain Mark

Credit: The human hair : its structure, growth, diseases, and their treatment / by Hermann Beigel. Source: Wellcome Collection.

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    CHAPTER IV. MICROSCOPICAL STRUCTUEB Or THE HAI'B.. The hair sac—The root-sheath—Method of preparation for microscopical examination-The double knife—The cut], cle—The cortical substance—The medullary substance- Air contained in the hair—Elasticity of the human hair —The temple Veneris calvse at Kome . pp. 32—53 CHAPTER V. DEVELOPMENT OF THE HAIB. The first rudiments of hair in the embryo—Formation of the structorless membrane—The cells within this mem- brane—Dliistrati on of the mode of developement— The Lanugo—Shedding of the newly formed hair—The hair is not a dead substance—Whether hair, when once lost, can grow again?—The number of hairs on a square inch—The rapidity of growth pp. 54—61 CHAPTER VI. ABNOBMAL GROWTH OP THE HAIR. Universal Hypertrichosis—Local Hypertrichosis—Instances of excessive growth of hair—The hairy family at Ava— A hairy girl observed in St. Bartholomew's hospital—Dar- win on the connexion of baldnefes and deficiency of teeth —The hairy men of Yesso pp. 6'2—90 CHAPTER VII. THE COLOUR OP THE HAIR—OP SUDDEN BLEACHING OF THE HAIR. Conditions on which the colour of the hair depends—Kemark- able condition of the colour of the hair, forming white and brown ringlets—Similar cases observed by Dr. Landois and Mr. Erasmiis Wilson—Dr. Landois' explanation of a case of sudden bleaching of the hair—Blue hair. pp. 91—104