Week 4 - Tongue Flashcards
What is the function of the tongue?
- Important for speech
- Helps chewing and swallowing process
- Tasting food
- Cleaning oral cavity
What does intrinsic mean?
Within the tongue, inside muscle
What does extrinsic mean?
we can see it, attach to hyoid bone, madible, styliod process
What are the 4 extrinsic muscles?
- Genioglossus
- Styloglossus
- Palatoglossus
- Hyoglossus
What are the 4 intrinsic muscles?
- Longitudinalis superior
- Longitudinalis inferior
- Transverse
- Verticalis
The muscles that run from the back to front of the tongue include the:
Superior and inferior longitudinal muscles
The muscle that runs from one side of the tongue to the other is called the:
Transverse muscle
Which of the extrinsic muscles of the tongue has the best capability to pull the root of the tongue upward and backward?
Styloglossus muscle
When the transverse muscle of the tongue contracts, what is likely to happen to tongue shape (assuming all other muscle contractions are held constant)?:
The tongue will narrow and lengthen
Among the extrinsic muscles of the tongue, which has the most extensive intertwining of its fibers with muscle fibers of the intrinsic muscles of the tongue?
Genioglossus muscle
Which muscle can be described as ‘an intrinsic muscle that runs from the anterior to posterior of the tongue’?
Superior Longitudinal Muscle
Which muscle can broaden and flatten the tongue?
Verticalis
Which of the following muscles connect with the hyoid bone? (2)
- Genioglossus
- Hyoglossus
Contraction of the HYOGLOSSUS muscle has what affect on the tongue?
Pulls tongue back and down
Which are the main muscles contributing to the grooving of the tongue during the production of /s/?
- Transverse
- verticalis
