Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Ellis-Van Creveld syndrome ?
    ### Response:
    Ellis-Van Creveld syndrome is an inherited condition that affects bone growth. Affected people generally have short stature; short arms and legs (especially the forearm and lower leg); and a narrow chest with short ribs. Other signs and symptoms may include polydactyly; missing and/or malformed nails; dental abnormalities; and congenital heart defects.
    