Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Pseudoachondroplasia ?
    ### Response:
    Pseudoachondroplasia is an inherited disorder of bone growth which is characterized by short stature. Other features include short arms and legs, a waddling walk, early-onset joint pain (osteoarthritis), and a limited range of motion at the elbows and hips.
    