Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) spondylocostal dysostosis ?
    ### Response:
    Spondylocostal dysostosis is a group of conditions characterized by abnormal development of bones in the spine and ribs. The bones of the spine (vertebrae) are misshapen and abnormally joined together (fused). Many people with this condition have abnormal side-to-side curvature of the spine (scoliosis) due to malformation of the vertebrae.
    