Extrinsic Muscles of the Tongue

Question 1

genioglossus: .. the tongue and is innervated by ?

Answer 1

protrudes the tongue

CN XII

Question 2

Styloglossus: draws up the ?” the pair of styloglossus work together to ?

innervated by

Answer 2

sides of the tongue

retract tongue

CN XII

Question 3

Hyoglossus: .. and .. the tongue

innervated by ?

Answer 3

depresses and retracts

CN XII

Question 4

Palatoglossus:
elevates

closes

aids in initiation of

and prevents spill of by maintaining ?

innervated by ?

Answer 4

posterior tongue

oropharyngeal isthmus

intiiation of swallowing

from vestibule into oropharynx / palatoglossal arch

vagus nerve (CN X)