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muscles of larnyx
muscles of larynx
8
Anatomy
Professional
06/08/2009

Additional Anatomy Flashcards

 


 

Cards

Term
cricothyroid
Definition

orign:  arch of cricoid cartilage

 

insertion:  inferior horn and lower lamina of thyroid cartilage

 

external laryngeal

 

tenses; adducts; elongates vocal cords

Term
posterior cricoarytenoid
Definition

origin:  posterior surface of lamina of cricoid cartilage

 

insertion:  arytenoid cartilage

 

recurrent laryngeal n.

 

abducts vocal cords

rotates arytenoid cartilage laterally

Term
lateral cricoarytenoid
Definition

origin:  arch of cricoid cartilage

 

insertion:  arytenoid cartilage

 

recurrent laryngeal n.

 

adducts vocal cords

rotates arytenoid cartilage medially

Term
transverse arytenoid
Definition

origin:  posterior surface of arytenoid cartilage

 

insertion:  opposite arytenoid cartilage

 

recurrent laryngeal n.

 

adducts vocal cords

 

(whispering muscle)

Term
aryepiglottic
Definition

origin:  apex of arytenoid cartilage

 

insertion:  side of epiglottic cartilage

 

recurrent laryngeal n.

 

adducts vocal cords

Term
thyroarytenoid
Definition

origin:  inner surface ofthyroid lamina

 

insertion:  anterolateral surface of arytenoid cartilage

 

recurrent laryngeal n.

 

adducts and relaxes vocal cords

Term
thyroepiglottic
Definition

origin:  anteromedial surface of lamina of thyroid cartilage

 

insertion:  lateral margin of epiglottic cartilage

 

recurrent laryngeal n.

 

adducts vocal cords

Term
vocalis
Definition

origin:  angle b/t 2 laminae of thyroid cartilage

 

insertion:  vocal process of arytenoid cartilage

 

recurrent laryngeal n.

 

adducts vocal cords

anterior part tenses vocal cords

posterior part relaxes vocal cords

controls pitch

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