CRANIAL NERVES

CRANIAL NERVE TERMINOLOGY

CRANIAL NERVES
- TERMINAL NERVE [0]
  - Terminal ganglion
- OLFACTORY NERVE [I] (nose nerve )
  - Olfactory nerves
- OPTIC NERVE [II] ( eye nerve )
- OCULOMOTOR NERVE [III] ( eye mover nerve )
  - Superior branch
  - Inferior branch
  - Branch of oculomotor nerve to ciliary ganglion; etc.
- TROCHLEAR NERVE [IV] ( eye mover nerve )
- TRIGEMINAL NERVE [V] ( three headed nerve
  - Sensory root
    - Trigeminal ganglion Gasseri
  - Motor root
  - OPHTHALMIC NERVE; OPHTHALMIC DIVISION [VA; V1]
    - Tentorial nerve
    - Lacrimal nerve
      - Communicating branch with zygomatic nerve
    - Frontal nerve
      - Supra-orbital nerve
        
        Lateral branch
        
        Medial branch
      - Supratrochlear nerve
    - Nasociliary nerve
      - Branch of nasociliary nerve to ciliary ganglion; etc.
        
        Long ciliary nerves
      - Posterior ethmoidal nerve
        
        Anterior meningeal branch
      - Anterior ethmoidal nerve
        
        Internal nasal branches
        
        Lateral nasal branches
        
        Medial nasal branches
        
        External nasal nerve
    - Infratrochlear nerve
      - Palpebral branches
  - MAXILLARY NERVE; MAXILLARY DIVISION [VB; V2]
    - Meningeal branch
    - Branches of maxillary nerve to pterygopalatine ganglion; etc.
    - Orbital branches
    - Posterior superior lateral nasal branches
    - Posterior superior medial nasal branches
    - Nasopalatine nerve
    - Pharyngeal nerve
    - Greater palatine nerve
      - Posterior inferior nasal nerves
    - Lesser palatine nerves
      - Tonsillar branches
    - Superior alveolar nerves
      - Posterior superior alveolar branches
      - Middle superior alveolar branch
      - Anterior superior alveolar branches
        
        Superior dental plexus
        
        Superior dental branches
        
        Superior gingival branches
    - Zygomatic nerve
      - Zygomaticotemporal branch
      - Zygomaticofacial branch
    - Infra-orbital nerve
      - Inferior palpebral branches
      - External nasal branches
      - Internal nasal branches
      - Superior labial branches
  - MANDIBULAR NERVE; MANDIBULAR DIVISION [VC; V3]
    - Meningeal branch; nervus spinosus
    - Nerve to medial pterygoid
    - Branches of mandibular nerve to otic ganglion; etc.
    - Nerve to tensor veli palatini
    - Nerve to tensor tympani
    - Masseteric nerve
    - Deep temporal nerves
    - Nerve to lateral pterygoid
    - Buccal nerve
    - Auriculotemporal nerve
      - Nerve to external acoustic meatus
      - Branches to tympanic membrane
      - Parotid branches
      - Communicating branches with facial nerve
      - Anterior auricular nerves
      - Superficial temporal branches
    - Lingual nerve
      - Branches to isthmus of fauces
      - Communicating branches with hypoglossal nerve
      - Chorda tympani
      - Sublingual nerve
      - Lingual branches
      - Branches of mandibular nerve to submandibular ganglion; etc.
      - (Branches of mandibular nerve to sublingual ganglion; etc.
    - Inferior alveolar nerve
      - Nerve to mylohyoid
      - Inferior dental plexus
        
        Inferior dental branches
        
        Inferior gingival branches
    - Mental nerve
      - Mental branches
      - Labial branches
      - Gingival branches
- ABDUCENT NERVE; ABDUCENS NERVE [VI] ( eye mover nerve )
- FACIAL NERVE [VII] (face nerve )
  - Geniculum
  - Nerve to stapedius
  - Posterior auricular nerve
    - Occipital branch
    - Auricular branch
  - Digastric branch
  - Stylohyoid branch
  - Communicating branch with glossopharyngeal nerve
  - Parotid plexus
  - Temporal branches
  - Zygomatic branches
  - Buccal branches
  - (Lingual branch)
  - Marginal mandibular branch
  - Cervical branch
- Intermediate nerve
  - Geniculate ganglion
  - Greater petrosal nerve; parasympathetic root of pterygopalatine ganglion
  - Chorda tympani; parasympathetic root of submandibular ganglion
  - Communicating branch with tympanic plexus
  - Communicating branch with vagus nerve
- VESTIBULOCOCHLEAR NERVE [VIII] (ear nerve)
  - Vestibular nerve
    - Vestibular ganglion
      - Cochlear communicating branch
    - Superior part
      - Utriculo-ampullary nerve
      - Utricular nerve
      - Anterior ampullary nerve
      - Lateral ampullary nerve
    - Inferior part
      - Posterior ampullary nerve
      - Saccular nerve
  - Cochlear nerve
    - Cochlear ganglion; spiral ganglion
- Glossopharyngeal nerve [IX]
  - Superior ganglion
  - Inferior ganglion
  - Tympanic nerve
    - Tympanic enlargement; tympanic ganglion
    - Tympanic plexus
      - Tubal branch
      - Caroticotympanic nerves
  - Communicating branch with auricular branch of vagus nerve
  - Pharyngeal branches
  - Stylopharyngeal branch
  - Carotid branch
  - Tonsillar branches
  - Lingual branches
  - Lesser petrosal nerve; parasympathetic root of otic ganglion
  - Communicating branch with meningeal branch of vagus nerve
  - Communicating branch with auriculotemporal nerve
  - Communicating branch with chorda tympani
- VAGUS NERVE [X]
  - Superior ganglion
  - Meningeal branch
  - Auricular branch
  - Inferior ganglion
  - Communicating branch with glossopharyngeal nerve
  - Pharyngeal branch
    - Pharyngeal plexus
  - Superior laryngeal nerve
    - External branch
    - Internal branch
      - Communicating branch with recurrent laryngeal nerve Galen's anastomosis
  - Superior cervical cardiac branches
  - Inferior cervical cardiac branches
  - Recurrent laryngeal nerve
    - Tracheal branches
    - Oesophageal branches
    - Pharyngeal branches
  - Thoracic cardiac branches
  - Bronchial branches
  - Pulmonary plexus
  - Oesophageal plexus
  - Anterior vagal trunk
    - Anterior gastric branches
      - Anterior nerve of lesser curvature
    - Hepatic branches
      - Pyloric branch
  - Posterior vagal trunk
    - Posterior gastric branches
      - Posterior nerve of lesser curvature
    - Coeliac branches
  - Renal branches
- ACCESSORY NERVE [XI]
  - Cranial root; vagal part
  - Spinal root; spinal part
  - Trunk of accessory nerve
    - Internal branch
    - External branch
      - Muscular branches
- HYPOGLOSSAL NERVE [XII]
  - Lingual branches
  - Spinal nerves