The branchiomotor component of the facial nerve controls the muscle of facial expression through five branches which are distributed in the superfical fascia of the head and neck. These branches include:
Temporal - auricular and fronto-occipitalis muscles
Zygomatic - muscles of the zygomatic arch and orbit
Buccal - muscles in the cheek and above the mouth
Mandibular - muscles in the region of the mandible
Cervical - the platysma muscle
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