Wool hair

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Woolly hair ( Pili lanei ) is a type of hair found in mammals . From a chemical point of view, woolen hair is a natural substance with a high protein content , more precisely keratin content .

Woolly hair is thin, curled, and has no pulp. The densely standing wool fibers surrounded as secondary hair the actual fur hair ( primary hairs ) and form the undercoat ( undercoat , undercoat ), which is primarily in the service of heat insulation is. Woolly hair has only one sebum gland and no hair follicle muscle . They largely correspond to human vellus hair .

literature

  • Hans Geyer: hair. In: Franz-Viktor Salomon, Hans Geyer, Uwe Gille (Ed.): Anatomy for veterinary medicine . 2nd ext. Edition. Enke-Verlag, Stuttgart 2008, ISBN 978-3-8304-1075-1 , pp. 637-640.