cranial muscle

Introduction

muscles innervated by one the cranial nerves (CN)

These include:

• CN1: sensory only
• CN2: sensory only
• CN3:
  • levator palpebrae superioris
  • superior rectus
  • medial rectus
  • inferior rectus
  • inferior oblique
• CN4: superior oblique
• CN5:
  • ophthalmic nerve: sensory only
  • maxillary nerve: sensory only
  • mandibular nerve
    • muscles of mastication
      • masseter
      • temporalis muscle
      • lateral pterygoid muscle
      • medial pterygoid muscle
    • mylohyoid
    • anterior belly of the digastric
    • tensor veli palatini
    • tensor tympani
• CN6: lateral rectus
• CN7:
  • muscles of facial expression
    • frontalis
    • procerus
    • corrugator supercilii
    • nasalis
    • orbicularis oculi
    • orbicularis oris
    • zygomaticus major
    • zygomaticus minor
    • levator labii superioris
    • levator labii superioris alaeque nasi
    • depressor labii inferioris
    • levator anguli oris
    • depressor anguli oris
    • platysma
    • mentalis
  • stapedius
  • stylohyoid
  • posterior belly of the digastric
• CN8: sensory only
• CN9:
  • stylopharyngeus
  • middle constrictor
• CN10:
  • contrictor muscles of pharynx
  • intrinsic muscles of larynx
  • muscles of palate (except tensor veli palatini CN5-3)
  • striated muscle in upper 2/3 of esophagus
• CN11:
  • striated muscle of soft palate, pharynx & larynx through fibers that join CN10
  • sternocleidomastoid
  • trapezius
• CN12: muscles of tongue except palatoglossus
  • extrinsic muscles:
• genioglossus
• hyoglossus
• chondroglossus
• styloglossus
  • intrinsic muscles:
• vertical
• transverse
• superior longitudinal
• inferior longitudinal

Additional terms

• cranial nerve
• facial muscle