Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) cranioectodermal dysplasia ?
    ### Response:
    Cranioectodermal dysplasia is a disorder that affects many parts of the body. The most common features involve bone abnormalities and abnormal development of certain tissues known as ectodermal tissues, which include the skin, hair, nails, and teeth. The signs and symptoms of this condition vary among affected individuals, even among members of the same family.
    