Amongst all hair disorders, none arouse as much interest as alopecia areata. The reason for this is the uniqueness with which the disease presents itself:
Basically, alopecia areata is a condition in which there is patchy loss of hair from the scalp. The condition can affect any part of the body as mentioned before but it is most commonly seen on the scalp. In certain cases it can extend to eyebrows, eyelashes, facial hair (beard, moustache) and can give rise to bald spots anywhere on the body.
Here are some of the features that are characteristic of alopecia areata: