Larynx and voice Flashcards
1
Q
What are the muscles of the laryngeal inlet?
A
Aryepiglottic muscle
Oblique arytenoid muscle
Thyroepiglottic muscle
2
Q
What are the muscles of the vocal cord?
A
Posterior cricoarytenoid muscle Lateral cricoarytenoid muscle Cricothyroid Thyroarytenoid Vocalis Arytenoid
3
Q
What is the innervation of the laryngeal muscles?
A
ALL recurrent laryngeal nerve except the cricothyroid muscle (external laryngeal nerve)
4
Q
What is the abductor of the vocal cords - increase pitch and allow cords to open in breathing?
A
Posterior cricoarytenoid muscle
5
Q
Action of cricothyroid?
A
Stretches and tenses
Increases pitch
6
Q
Action of thyroarytenoid?
A
Relaxes
Decreases pitch
7
Q
Action of arytenoids and lateral cricoarytenoid?
A
Adduct vocal cords
Quiten pitch
