Tongue And Palate Flashcards
Oral cavity
Frenulum of upper lip Soft palate Hard palate Palatine tonsil Palatoharyngeal arch Palatoglossal arch
Muscles of tongue and palate
Genioglossus
Genohyoid
Mylohyoid
Suprahyoid muscles
Mylohyoid - mandibular division of trigeminal- elevates hyoid, depresses mandible
Anterior Digastric- mandibular division of trigeminal- elevates hyoid or depresses mandible
Stylohyoid- fcaial- elevates hyoid bone
Geniohyoid- C1 hypoglossal- elevates hyoid bone
Salivary glands
Submandibular
Parotid
Sublingual into floor of mouth
Tongue innervation
Posterior third- glossopharyngeal
Anterior two thirds- facial and trigeminal
Tongue- intrinsic muscles
Changes shape
Fibres in different orientation
All fibres with tongue
Hypoglossal nerve
Extrinsic Muscles
Palatoglossus- vagus, elevates tongue
Styloglossus- hypoglossal, elevates tongue, retracts tongue
Hypoglossus- hypoglossal, depress tongue
Genioglossus- hypoglossal, depress tongue, protrude tip
Blood supply to tongue
Lingual artery- 2nd anterior branch of external carotid
Dorsal lingual
Sublingual
Deep lingual
Venous drainage of tongue
Lingual vein
Dorsal lingual vein
Sublingual
Deep lingual
Hard palate
Maxilla
Palatine
Hard palate- nerves and vessels
Greater and lesser palatine nerves Lesser palatine arteries and nerves Greater palatine arteries and nerves Sensory- facial Blood maxillary artery
Soft palate
Palatine glands Palatine aponeurosis Tensor veli palatini Levator veli palatini Palatoglossus Pterygoid hamulus Palatopharyngeus Palatine tonsil in tonsillar fossa Uvulae
Muscles innervated by pharyngeal plexus
Levator veli palatini- pharyngeal plexus
Palatopharyngeus - pharyngeal plexus
Palatoglossus- pharyngeal plexus
Musclus uvulae- pharyngeal plexus
Teeth vessels
Anterior superior alveolar
Posterior superior alveolar
Inferior alveolar
