Anatomy and Physiology of Hair

    May 2017 in “ InTech eBooks ”
    Bilgen Erdoğan
    TLDR Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.
    The document "Anatomy and Physiology of Hair" provided a comprehensive overview of hair structure and function, emphasizing its protective, thermoregulatory, and social roles. It detailed the hair growth cycle, including anagen (growth), catagen (regression), telogen (rest), and exogen (shedding) phases, influenced by factors like age and nutrition. The development of hair follicles involved complex interactions between epithelial and mesenchymal cells, regulated by genes and signaling pathways such as WNT, EDA/EDAR, and BMP. The document also covered the classification of hair into vellus and terminal types, the structure of the hair shaft and follicle, and the role of melanocytes in hair pigmentation. Understanding these processes was deemed essential for addressing hair disorders.
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