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Hirsutism is a type of hypertrichosis exclusive to women and children, resulting from an excess of androgen-sensitive hair growth. [16] Patients with hirsutism exhibit patterns of adult male hair growth. [1] Chest and back hair are often present on women with hirsutism. [16] Hirsutism is both congenital and acquired.
[19] [20] On the other hand, hypertrichosis is defined as excessive hair growth anywhere on the body and is independent of androgen. [3] In addition, hypertrichosis is a condition that affects both males and females while hirsutism is primarily used to describe "male-like pattern terminal hair growth in women within androgen-dependent sites". [2]
The amount and location of the hair is measured by a Ferriman–Gallwey score. It is different from hypertrichosis, which is excessive hair growth anywhere on the body. [3] Treatments may include certain birth control pills, antiandrogens, or insulin sensitizers. [1] Hirsutism affects between 5 and 15% of women across all ethnic backgrounds. [8]
You may have noticed them getting worse during the summer.
Vellus arm hair is usually concentrated on the elbow end of the forearm and often ends on the lower part of the upper arm. This type of intense arm vellus hair growth sometimes occurs in girls and children of both sexes until puberty. Even though this causes the arms to appear hairy, it is not caused solely by testosterone. The hair is softer ...
Hair loss is part of the natural three-phase hair growth cycle, which involves the anagen (growth) phase, the catagen (declining) phase and the telogen (resting) phase.
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. [1]
Cowlick vs. Balding: Key Differences. A cowlick differs from a bald spot in a couple key ways.. First, a cowlick is a natural, normal feature of your scalp that occurs as a result of your genes.