Tongue

2,763 views

Published on

Tongue

  1. 1. Tongue
  2. 2. • Muscular organ• Oral and pharyngeal part
  3. 3. • Root• Tip• Body
  4. 4. Papillae of tongue• Circumvallate• Fungiform• Filiform
  5. 5. Muscles of tongue• Intrinsic muscles–• Superior longitudinal• Inferior longitudinal• Transverse• Vertical• Extrinsic muscles–• Genioglossus ,hyoglossus,styloglossus and palato glossus
  6. 6. Intrinsic muscles• Superior longitudinal muscle shortens the tongue and makes its dorsum concave• Inferior longitudinal muscle shortens the tongue and makes its dorsum convex• Transverse muscle• Vertical muscle
  7. 7. Blood supply
  8. 8. Nerve supplyMotor --- all muscles are supplied by hypoglossal nerve except palatoglossal (supplied by cranial part of accessory nerve)General sensation – lingual ,glossopharyngeal and vagusTaste --- chorda tympani ,glossopharyngeal nerve ,vagus
  9. 9. Glossitis
  10. 10. Hypoglossal nerve palsy

×