Muscles of Tongue Flashcards
hyoglossus
O: body and greater horn of hyoid
I: inf aspects of lat part of tongue
A: depresses tongue
helps shorten tongue
genioglossus
O: via a short tendon from sup part of mental spine of mandible
I: entire dorsum of tongue
post & inf fibers attach to body of hyoid
A: BL– depresses tongue
UL– deviates (wags) tongue to contralateral side
post part– protrudes tongue
ant part– retracts apex of protruded tongue
styloglossus
O: ant border of distal styloid process, stylohyoid ligament
I: margins of tongue posteriorly
A: retrudes tongue and curls (elevates) its sides
palatoglossus
O: palatine aponeurosis of soft palate
I: enters posterolateral tongue transversely
A: elevates post tongue
depress soft palate