Ключевые слова: alopecia, anagen, anatomy, arrector, asian, background, bald, baldness, biology, biopsy, cell, connective, dermal, dermis, doctor, epidermis, epithelium, follicle, follicles, gland, glands, hair, head, health, healthy, histology, infection, layer, loss, medical, medicine, melanin, melanocytes, micrograph, microscopic, microscopy, muscle, papilla, research, root, scalp, science, sebaceous, section, sheath, shows, skin, texture, tissue, treatment,