A desert is a region of land that is very dry because it receives low amounts of precipitation (usually in the form of rain but may be snow, mist or fog), often has little coverage by plants, and in which streams dry up unless they are supplied by water from outside the area.
Alopecia areata is an autoimmune disease. Autoimmune means that the body's immune system attacks the body. When alopecia areata develops, the body attacks its own hair follicles. A person's genetic makeup, combined with other factors, triggers this form of hair loss.
A. A. Alopecia is the medical term for baldness; there are various types of alopecia, including alopecia areata. Alopecia areata is a condition that causes a person's hair to fall out. It is an autoimmune disease; that is, the person's immune system attacks their own body. In this case, their hair follicles.When this happens, the person's hair begins to fall out, often in clumps the size and shape of a quarter.. A. Alopecia is the medical term for baldness; there are various types of alopecia, including alopecia areata. Alopecia areata is a condition that causes a person's hair to fall out. It is an autoimmune disease; that is, the person's immune system attacks their own body. In this case, their hair follicles.