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Articulation (Muscles (Face & Mouth (obicularis oris, risourius:…

- - - - superior longitudinal: tip up
      - inferior longitudinal: tip down
      - transverse muscle: narrow
      - vertical muscle: flat
    - - genioglossus: prime tongue mover, contract to produce central tongue groove
        
        contract posterior sticks tongue out
        
        contract anterior retracts the tongue
      - hyoglossus: lower sides of tongue
      - styloglossus: lift tongue back up
      - palatoglossus: similar function as styloglossus
      - chondroglossus: depressor
- - - - voluntary movements
      - cortical control of complex motor patterns
      - graded movement of mandible
      - differentiate lingual movements: tip from whole tongue, tongue from mandible.