47. Tongue and Palate Flashcards
What are the supra-hyoid muscles? (4)
Mylohyoid
Stylohyoid
Geniohyoid
Digastric
Innervation of mylohyoid?
CNV3
Innervation of geniohyoid?
C1 in hypoglossal
Innervation of stylohyoid?
CNVII
Innervation of digastric?
Post belly - CNVII
Ant belly - CNV3
Action of mylohyoid?
Elevate hyoid and oral floor
Depress mandible
Action of anterior belly of digastric?
Elevate hyoid
Depress mandible
Action of stylohyoid?
Elevate hyoid
Action of geniohyoid?
Elevate hyoid
Innervation of the salivary glands?
Submandibular - CNVII
Parotid - CNIX
Sublingual - CNVII
Name the lingual papillae
Foliate
Vallate
Filiform
Fungiform
Sensory innervation of the tongue?
Anterior 2/3rd - taste: CNVII, general sensory: CNV3
Posterior 1/3rd - CNIX
Motor innervation of intrinsic muscles of tongue?
CNXII
What are the extrinsic tongue muscles? (4)
Genioglossus
Palatoglossus
Styloglossus
Hyoglossus
Innervation of extrinsic tongue muscles?
CNXII
palatoglossus - CNX
Action of genioglossus?
Depress tongue
Protrude lip
Action of palatoglossus?
Elevate tongue (move soft palate)
Action of styloglossus?
Elevate and retract tongue
Action of hyoglossus?
Depress tongue
Which artery does the lingual artery branch from?
ECA (2nd branch)
Into which vein do the lingual vein/ dorsal lingual vein/ sublingual vein/ deep lingual vein drain?
IJV
Learn lymphatic drainage of tongue
Slide 16
Blood supply of soft palate?
Maxillary artery
Sensory innervation of soft palate?
CNV2
Innervation of tensor veli palatini?
CNV3
Innervation of levator veli palatini?
CNX in pharyngeal plexus
Sensory innervation of soft palate?
CNIX
Learn the nerve and vascular supply of the mandible?*
Slide 26
Blood supply of teeth?
Ant sup alveolar
Post sup alveolar
Inferior alveolar
