MOUTH

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FACE
A horizontal lens shaped cleft on face called
- Generally called
  - MOUTH
- Particular
  - Externally covered by
    - Lips
      - Upper lip
        
        Philtrum
        
        median vertical groove
        
        Tubercle
      - Lower lip
      - Each lip supported by
        
        Frenulum of upper lip
        
        Frenulum of lower lip
        
        Composed of
        
        skin
        
        superficial fascia
        
        orbicularis oris muscle
        
        Submucosa containing labial glands and blood vessels
        
        Mucous membrane
        
        Mucocutaneous junction
    - Labial commissure
    - Angle of mouth
    - Cheek
      - Buccal fat pad Bichati
    - Juxta-oral organ Chiewitzi
      - Papilla of parotid duct
        
        opposite the crown of upper second molar tooth
      - Composed of
        
        Skin
        
        Superficial Fascia
        
        fascial muscles
        
        Buccinator
        
        covered by buccopharyngeal fascia
        
        pierced by parotid duct
        
        Submucosa
        
        Mucosal membrane
      - continuous with lips
        
        nasolabial sulcus or furrow
  - Internally
    - ORAL CAVITY
      - Mucous membrane of mouth
      - Oral vestibule
        
        Externally by lips
        
        internally by teeth and gums
        
        Communicates to exterior by
        
        Oral fissure; oral opening
        
        Open Mouth
        
        Closed mouth with lips elevated
        
        Closed mouth with teeth occluded
      - Oral cavity proper
        
        ROOF
        
        Palate
        
        partition between nasal and oral cavity
        
        Hard palate
        
        Soft palate
        
        Palatine raphe
        
        Transverse palatine folds; palatine rugae
        
        Incisive papilla
        
        FLOOR
        
        Tongue
        
        Anteriorly
        
        Sublingual Region
        
        fold of mucosa
        
        frenulum of tongue
        
        on each side
        
        sublingual papilla
        
        summit of papilla
        
        opening of submandibular duct
        
        Posteriorly
        
        Oropharyngeal Isthmus ( isthmus of fauces)
        
        FRONT
        
        Teeth
        
        Gingiva; gum
        
        Gingival margin
        
        Gingival papilla; interdental papilla
        
        Gingival sulcus; gingival groove
        
        BACK
        
        SIDES
        
        palatoglossal arches
        
        Sublingual caruncle
        
        Sublingual fold

OS	MOUTH
CAVITAS ORIS	ORAL CAVITY
Tunica mucosa oris	Mucous membrane of mouth
Vestibulum oris	Oral vestibule
Rima oris	Oral fissure; oral opening
Labia oris	Libs
Labium superius	Upper lip
Philtrum	Philtrum
Tuberculum	Tubercle
Labium inferius	Lower lip
Frenulum labii superioris	Frenulum of upper lip
Frenulum labii inferioris	Frenulum of lower lip
Commissura labiorum	Labial commissure
Angulus oris	Angle of mouth
Bucca	Cheek
Corpus adiposum buccae Bichati	Buccal fat pad Bichati
Organum juxtaorale Chiewitzi	Juxta-oral organ Chiewitzi
Papilla ductus parotidei	Papilla of parotid duct
Cavitas oris propria	Oral cavity proper
Palatum	Palate
Palatum durum	Hard palate
Palatum molle; velum palatinum	Soft palate
Raphe palati	Palatine raphe
Plicae palatinae transversae; rugae palatinae	Transverse palatine folds; palatine rugae
Papilla incisiva	Incisive papilla
Gingiva	Gingiva; gum
Margo gingivalis	Gingival margin
Papilla gingivalis; papilla interdentalis	Gingival papilla; interdental papilla
Sulcus gingivalis	Gingival sulcus; gingival groove
Caruncula sublingualis	Sublingual caruncle
Plica sublingualis	Sublingual fold