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Folliculitis starts with the introduction of a skin pathogen to a hair follicle. Hair follicles can also be damaged by friction from clothing, an insect bite, [2] blockage of the follicle, shaving, or braids that are very tight and close to the scalp. The damaged follicles are then infected by Staphylococcus spp. Folliculitis can affect people ...
A boil, also called a furuncle, is a deep folliculitis, which is an infection of the hair follicle. It is most commonly caused by infection by the bacterium Staphylococcus aureus, resulting in a painful swollen area on the skin caused by an accumulation of pus and dead tissue. [1] Boils are therefore basically pus-filled nodules. [2]
Scalp folliculitis is caused when microorganisms enter the hair follicles through tiny cuts, abrasions, or via the sebaceous glands. Scalp folliculitis can be caused by a few factors, including:
Irritant folliculitis is an inflammation of the hair follicle. [1] It characteristically presents with small red bumps in the skin at sites of occlusion , pressure, friction, or hair removal ; typically around the beard area in males, pubic area and lower legs of females, or generally the inner thighs and bottom.
Hair diseases are illnesses that impact the persistence and regular growth of hair. Types of hair diseases include folliculitis , hirsutism , hypertrichosis , hypotrichosis ( alopecia ), Menkes kinky hair syndrome , monilethrix , and piedra .
Folliculitis decalvans is an inflammation of the hair follicle that leads to bogginess or induration of involved parts of the scalp along with pustules, erosions, crusts, ulcers, and scale. [ 1 ] : 649 [ 2 ] : 760–1 It begins at a central point and spreads outward, leaving scarring, sores, and, due to the inflammation, hair loss in its wake ...
Within the latter type, the hairs occur in structures called pilosebaceous units, each with hair follicle, sebaceous gland, and associated arrector pili muscle. [4] In the embryo, the epidermis, hair, and glands form from the ectoderm, which is chemically influenced by the underlying mesoderm that forms the dermis and subcutaneous tissues. [5 ...
“Apocrine glands are found in hairy areas like the armpits, groin, and scalp, and release an oily fluid when a person is stressed or during puberty.” The odor kicks in when bacteria on the ...