Module 7 Flashcards
Phonation Part : 1 2/19
- Small - U shaped bone
- supports the tongue and plays a key role in speaking and swallowing
Hyoid Bone
- Unpaired
- Leaf-like cartilage
- Closes off as a protective mechanisms
Epiglottis
- unpaired ; largest
- Form the laryngeal prominence ( Adams apple )
- Superior horns attaches to the hyoid bone
Thyroid cartilage
- unpaired
- encircles the airways / ring - like
Cricoid Cartilage
- paired
- like a three sided pyramid
- vocal
processes
Arytenoid cartilage
- Horn - shaped
Corniculate Cartilage
The two main laryngeal joints are the
1.________________ joint
- connects the thyroid cartilage to the cried arch
2. _____________ joint
Connects each arytphiod cartilage and criociod cartlaiage
Criocothyriod
Cricoarthytenonid
Non- speech function :______
- Coughing
- a response by the tissue of the respiratory passages to an irritant or foreign object
protective
Intrinsic muscles of the larynx
Lateral Cricoaryteniod muscle
Function :
Use :
Intrinsic muscles of the larynx
Cricothyriod muscle
Function :
Use :
Function : Tenser
Use : tenses the V.F
Intrinsic muscles of the larynx
Thyrorytenoid muscle
Function :
Use :
Function : Tenser/ releaxer
Use : makes uo part of the V.F
Intrinsic muscles of the larynx
Posterior Crioarytebiods muscle
Function :
Use :
Function : Adductor
Use : opens V.F.
Intrinsic muscles of the larynx
Tranverse Arythenoid muscle
Function :
Use :
Function : Adbuttor
Use : Closes v.f
Intrinsic muscles of the larynx
Oblique arytenold
Function :
Use :
Function : Adbuctor
Use : Closes V.F