Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) platyspondylic lethal skeletal dysplasia, Torrance type ?
    ### Response:
    Platyspondylic lethal skeletal dysplasia, Torrance type is a severe disorder of bone growth. People with this condition have very short arms and legs, underdeveloped pelvic bones, and unusually short fingers and toes (brachydactyly). This disorder is also characterized by flattened spinal bones (platyspondyly) and an exaggerated curvature of the lower back (lordosis).
    