Definition of Ectodermal dysplasia:

Ectodermal dysplasia is a group of conditions in which there is abnormal development of the skin, hair, nails, teeth, or sweat glands.

Causes, incidence, and risk factors:

There are many different types of ectodermal dysplasia.

Many gene defects can cause ectodermal dysplasias. The most common form of ectodermal dysplasia usually affects men. Other forms of the disease affect men and women equally.