Tongue and Muscle of the Tongue Oral Anatomy Muscles Insertion and Action Flashcards
What nerves control the tongue?
V3, VII, IX, XII
What is the function of the tongue?
Speech, Mastication, Degluition
What nerve in the tongue controls the movement?
XII (12)
What nerve in the tongue controls the general sensation of the anterior 2/3?
V3
What nerve in the tongue controls the tatste sensation on the anterior 2/3?
VII (7)
What nerve in the tongue controls the general and taste sensation of the posterior 1/3?
IX (9)
What 3 nerves are the sensation nerves in the tongue?
V3, VII, IX
Where is the lining mucosa located?
Ventral side of the tongue
What is the function of the lining mucosa?
protective cushion (not a strong function)
Is the lining mucosa keratinized or non keratinized?
Non keratinized
What does non keratinized mean?
NOT WATER PROOF
What is the function of the masticatory mucosa?
Resiliency barrier
Where is the masticatory mucosa located?
Dorsal side of the tongue
Is the masticatory mucosa keratinized or non keratinized?
Keratinized
What does keratinized mean
WATER PROOF
When the lining is keratinized are the rete pegs pronounced or not pronounced?
pronounced rete pegs
when the lining is non keratinized are the rete pegs pronounced or not pronounced?
not pronounced rete pegs
What lining of the tongue is not a protective layer?
Specialized mucosa
What lining is a sensory mucosa?
Specialized mucosa
What is the function of the specialized mucosa?
Taste
Where is the specialized mucosa located?
Dorsal and lateral surface of the tongue
What is on the ventral surface of the tongue?
Lingual frenum, deep lingual vein, Plica fimbriata, sublingual fold, subingual gland, sublingual caruncles (wharton’s ducts)
What is on the dorsal sufcae of the tongue?
Fungiform papilla, filiform papilla, circumvallate papilla, foliate papilla, lingual tonsil
Where is the extrinsic tongue muscle located?
.
What are the function of the extrinsic tongue muscle?
Speech, mastication, swallowing
What is the action of the genioglossus?
Protrusion of the tongue
What is the action of the styloglossus?
Retracts the tongue
What muscles are part of the extrinsic tongue muscles?
genioglossus, styloglossus, and hyoglossus
What is the action of the hyoglossus?
Depress the tongue down into the mandible
Where are the extrinsic tongue muscles located?
Outside the tongue
Where are the intrinsic tongue muscles located?
Within the tongue
What are the functions of the intrinsic tongue muscles?
Change the shape of the tongue
speech
swallowing
mastication
What is the action of the superior longitudinal muscle?
shortens and thickens the tongue
What is the action of the transverse muscle
Lengthens and narrows the tongue
What is the action of the vertical muscle
Lengthens and narrows the tongue