Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) X-linked spondyloepiphyseal dysplasia tarda ?
    ### Response:
    X-linked spondyloepiphyseal dysplasia tarda is a condition that impairs bone growth and occurs almost exclusively in males. The name of the condition indicates that it affects the bones of the spine (spondylo-) and the ends (epiphyses) of long bones in the arms and legs.
    