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Alopecia areata is a disease that causes hair loss. Most people lose hair on their scalp or beard area, but hair loss can occur anywhere on your body. A board-certified dermatologist can tell you if you have this type of hair loss and what may help you regrow your hair.
Key Points. Alopecia is defined as loss of hair from the body. Hair loss is often a cause of great concern to the patient for cosmetic and psychological reasons, but it can also be an important sign of systemic disease. (See also Alopecia Areata.) Pathophysiology of Alopecia. Growth cycle. Hair grows in cycles. Each cycle consists of phases:
Alopecia areata is an autoimmune disease that causes patchy hair loss anywhere on your body, but it most commonly affects the hair on the skin that covers your head (scalp). “Alopecia” is a medical term for hair loss or baldness, and “areata” means that it occurs in small, random areas.
Medical conditions include alopecia areata (al-o-PEE-she-uh ar-e-A-tuh), which is immune system related and causes patchy hair loss, scalp infections such as ringworm, and a hair-pulling disorder called trichotillomania (trik-o-til-o-MAY-nee-uh).
Baldness, also known as alopecia, is hair loss, or absence of hair. Hair loss is not caused by poor circulation to the scalp, dandruff, or wearing hats. Baldness is usually most noticeable on the scalp but can happen anywhere on the body where hair grows.
Hair loss, also called alopecia, can occur on any part of the body. Hair loss that occurs on the scalp is generally called baldness. Hair loss is often of great concern to people for cosmetic reasons, but it can also be a sign of a bodywide (systemic) disorder.
What is hair loss? The medical term for hair loss is alopecia. There may be associated scalp disease or scarring. Alopecia may be localised or diffuse. It can affect the scalp or other parts of the body. It may be due to hair shedding, poor quality hair, or hair thinning. There may be areas of skin that are completely bald.
Alopecia is the absence or loss of hair in an area where it is expected to be present. Alopecia can be localized or diffuse, temporary or permanent. It can affect both sexes and all age groups.
Alopecia (also known as alopecia areata) is a chronic, immune-mediated skin disease characterized by sudden loss of hair on the scalp, beard, and sometimes eyebrows, eyelashes, and body hair. It can also be described as bald spots or bald patches.
Definition (s) Alopecia: : Phases of hair growth. Classification. Diagnosis. Congenital alopecias. Alopecia is the loss of hair from any hair-bearing area of the body, but most often the scalp. It may be congenital or acquired, circumscribed or diffuse, and scarring or nonscarring. Androgenetic ...