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Hair is a protein filament that grows from follicles found in the dermis.Hair is one of the defining characteristics of mammals.The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair.
The hair follicle is an organ found in mammalian skin. [1] It resides in the dermal layer of the skin and is made up of 20 different cell types, each with distinct functions.. The hair follicle regulates hair growth via a complex interaction between hormones, neuropeptides, and immune cells
Hair anatomy (15 P) D. Documentary films about human hair (4 P) Hairdressing (8 C, 99 P) F. Facial hair (6 C, 10 P) H. Hair diseases (28 P) Human hair color (4 C, 4 P) K.
It is commonly stated that hair grows about 1 cm per month on average; however reality is more complex, since not all hair grows at once. Scalp hair was reported to grow between 0.6 cm and 3.36 cm per month. The growth rate of scalp hair somewhat depends on age (hair tends to grow more slowly with age), sex, and ethnicity. [3]
Arm hair. Arm hair grows on a human's forearms, sometimes even on the elbow area, and rarely on a human's bicep, triceps, and/or shoulders. Terminal arm hair is concentrated on the wrist end of the forearm, extending over the hand. Terminal hair growth in adolescent males is often much more intense than that in females, particularly for ...
Androgenic alopecia, or male pattern hair loss, is a common cause of concern to men. It may be treated with varying rates success by medication (e.g. finasteride, minoxidil) or hair transplantation. If the scalp is heavy and loose, a common change with ageing, the forehead may be low, heavy and deeply lined.
Human anatomy (gr. ἀνατομία, "dissection", from ἀνά, "up", and τέμνειν, "cut") is primarily the scientific study of the morphology of the human body. [1] Anatomy is subdivided into gross anatomy and microscopic anatomy. [1] Gross anatomy (also called topographical anatomy, regional anatomy, or anthropotomy) is the study of ...
Pages in category "Hair anatomy" The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes. A. Body hair; Arrector pili ...