anatomy of the oral cavity

Question 1

intrinsic muscles of the tongue ? what do they they do ?

Answer 1

The tongue’s intrinsic muscles include the following:
The superior longitudinal lingual muscle, which shortens the tongue and curls it upward.
The inferior longitudinal lingual muscle, which shortens the tongue and curls it downward.
The transverse lingual muscle, which elongates and narrows the tongue.

Question 2

what do they external muscles of the tongue do ?

Please Help Suga Grow

Answer 2

P: palatoglossus.
H: hyoglossus.
S: styloglossus.
G: genioglossus.

Question 3

arterial supply to the oral cavity

Answer 3

From the external carotid artery branches

- the lingual artery, facial artery, and the maxillary artery

Question 4

venous drainage of oral cavity

Answer 4

lingual veins –> internal jugular vein

Question 5

Innervation of oral cavity

Answer 5

• chord Tympani (sensation of taste from the anterior portion of the tongue to the brain via the middle ear)
• Hypoglossal nerve
• Lingual nerve

Question 6

outline the glossopharyngeal nerve

Answer 6

descends in BETWEEN external and internal carotid artery

Posterior 1/3 of the tongue

Question 7

Hypoglossal nerve innervates?

Answer 7

• styloglossus
• hyoglossus
• Genioglossus

and intrinsic muscles of the tongue

Question 8

what nerve innervates the anterior 2/3 of the tongue ?

Answer 8

lingual nerve