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Head and Neck (Facial Nerve (Traverses the length of the temporal bone,…

- - - - Recurrent laryngeal N. supplies all intrinsic
        muscles except cricothyroid
      - External branch of superior laryngeal N. supplies
        cricothyroid.
    - - Int. branch of superior laryngeal N.: above folds
      - Recurrent laryngeal N.: below folds
  - - - → complete paralysis w/ cords half aducted /
        abducted
      - Cannot speak or cough
    - - → partial paralysis w/ cords adducted
      - Cannot breath if bilateral