About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 69. Chapters: Dermatology, Hair, Nails, Skin, Pubic hair, Hand sanitizer, Human skin, Afro-textured hair, Skin flora, Human hair growth, Occupational hazards associated with exposure to human nail dust, Head shaving, Hair analysis, United States presidents with facial hair, Moulting, Teledermatology, Glabrousness, Nail biting, Complexion, Birthmark, Flaying, Paronychia, Good hair, Bronner Bros., Follicular unit extraction, Chest hair, Trichophilia, Hair jewellery, Trichology, Lock of hair, Underarm hair, Pinch, Artificial skin, Nailbed assessment, International Society of Hair Restoration Surgery, History of dermatology, Avacor, Lanugo, Vernix caseosa, Menthogen, Hangnail, Olive skin, Toilet-claw, Hair museum, Hair Fairies, Trichoptilosis, Capitol School of Hairstyling & Esthetics, Bongseonhwa fingernail dying, Pantene Beautiful Lengths, Hair hang, Psychodermatology, Degloving, Evolution of hair, Poliosis, Tricomin, Intertriginous, Ila birthmark, Skin equivalent, Skin physiology. Excerpt: Hair is a filamentous biomaterial, that grows from follicles found in the dermis. Found exclusively in mammals, hair is one of the defining characteristics of the mammalian class. The human body, apart from its glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair. Most common interest in hair is focused on hair growth, hair types and hair care, but hair is also an important biomaterial primarily composed of protein, notably keratin. The word "hair" often refers to two distinct structures: 1) the part beneath the skin, called the hair follicle or when pulled from the skin, called the bulb. This organ is located in the dermis and maintains stem cells which not only re-grow the hair after it falls out, but also are recruited to regrow skin after a wound; and 2) the shaft, which is the hard filamentous part that e...
