Tongue: extrinsic muscles Flashcards Preview

Gross Anatomy II Exam I > Tongue: extrinsic muscles > Flashcards

Flashcards in Tongue: extrinsic muscles Deck (6)
Loading flashcards...
1

What are the extrinsic mucles of the tongue?

1) Geinioglossus
2) Hyoglossus
3) Styloglossus
4) Palatoglossus

2

T/F: ALL of the extrisic tougne muscles are innervated by the hypoglossal nerve (CN XII)

False: Palatoglossus is not

3

What is the nerve innervation of the Palatoglossus?

Vagus Nerve (CN X) via the pharyngeal plexus

4

What is the function of Palatoglossus?

Elevates the back of the tonuge

5

What is the function of the genioglossus cliniclly?

1) Pulls the tongue forward
2) Prevents of the tongue from falling backwards, blocking the airway, potentially leading to suffication

6

The actions of geniolgossus are important in what clinical scenarios?

1) When the patient is under general anesthesia
2) In seizure disorders