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 disorder of bone growth that results in very short stature (dwarfism). People with this condition have particularly short forearms and lower legs and a narrow chest with short ribs. Ellis-van Creveld syndrome is also characterized by the presence of extra fingers and toes (polydactyly), malformed fingernails and toenails, and dental abnormalities.
    