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tongue muscles
Dental Anatomy DENT-110
muscle | origin/insertion | action |
---|---|---|
styloglossus | styloid process/border of body and base, apex and tongue | retracts tongue |
genioglossus | genial tuburcles/hyoid bone and tongue | protrudes tongue and depresses parts, prevents sinking during respiration. |
hyoglossus | greater cornu and body of hyoid/lateral surface of tongue | depresses tonge |
Superior longitudinal | runs in oblique longitudinal direction along dorsal surface of tongue | shortening tongue (thickening) |
Transverse muscle | median septum to lateral surface of tongue | Narrow (long) |
Vertical muscle | runs in a vertical direction from the dorsal to the ventral surface of the tongue | Long (narrow) |
Inferior longitudinal muscle | close to the ventral surface and runs from the base to the apex of the tongue | thickens tongue (shortening |