Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Pterygium colli mental retardation digital anomalies ?
    ### Response:
    What are the signs and symptoms of Pterygium colli mental retardation digital anomalies? The Human Phenotype Ontology provides the following list of signs and symptoms for Pterygium colli mental retardation digital anomalies. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    