Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Carpenter syndrome ?
    ### Response:
    Carpenter syndrome is a condition characterized by premature fusion of skull bones (craniosynostosis); finger and toe abnormalities; and other developmental problems. The features in affected people vary. Craniosynostosis can give the head a pointed appearance; cause asymmetry of the head and face; affect the development of the brain; and cause characteristic facial features.
    