Lecture 13 Flashcards
What are intrinsic laryngeal muscles?
Both attachments are in the larynx
What are extrinsic laryngeal muscles?
1 attachment on the larynx, one outside of the larynx
What are the five intrinsic laryngeal muscles?
1) cricoidthyroid
2) thyroarytenoid
3) lateral cricoarytenoid
4) inter arytenoid
5) posterior cricoarytenoid
What are the two types of extrinsic laryngeal muscles?
1) suprahyoid
2) infrahyoid
What are the 6 suprahyoid extrinsic laryngeal muscles?
1) digastric
2) stylohyoid
3) mylohyoid
4) geniohyoid
5) hypoglossal
6) thyrohyoid
What are the 4 infrahyoid muscles?
1) sternothyroid
2) sternohyoid
3) omohyoid
4) thyrohyoid
The intrinsic laryngeal muscles control the _______ ______ of ________ ________
Relative positions; laryngeal cartilages
The Interarytenoids are treated as ______ muscles because there are ____ aryetnoids
Unpaired; two
What are the two parts of the interarytenoid?
Transverse and oblique
In the IA, the _______ portion pulls the bases of the arytenoids toward each other, and the ______ portion pulls the tips of the arytenoids together
Transverse; oblique
The transverse portion of the IA is _____ to the oblique portion
Deep
The function of the IA is that is causes the ___________ to come together
Arytenoid
The LCA are _____ muscles
Paired
The function of the LCA is upon contraction the ________ processes of the _______ are pulled ________ or _______
Muscular; arytenoids; anteriorly; medialy
The Cricothyroid is the main muscles for _____ control
Pitch