Larnygeal Muscles Flashcards by Muntasir Chowdhury | Brainscape

Q

Cricothyroid

A

O: Cricoid Cartilage

I: Thyroid Cartilage

Tenses vocal fold to raise pitch of sound

External Laryngeal Nerve from CNX

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Q

Thyroartenoid

A

O: Thyroid Cartilage

I: Arytenoid Cartilage

Relaxes vocal fold to decrease pitch of sound

Recurrent Laryngeal Nerve by CN X

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Q

Posterior Cricoarytenoid

A

O: Cricoid Cartilage

I: artenoid Cartilage

Abducts vocal folds to open rims glottidis

Recurrent Laryngeal Nerve from CN X

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Q

Lateral Cricoarytenoid

A

O: Cricoid Cartilage

I: Arytenoid Cartilage

Adducts vocal folds to close Iima glottidis

Recurrent Laryngeal Nerve from CN X

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Q

Arytenoid (Transverse Arytenoid)

A

O: Arytenoid Cartilage

I: Arytenoid Cartilage of opposite side

Adducts vocal folds to close rima glottidis

Recurrent Laryngeal Nerve from CN X

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Q

Aryepiglottic Muscle

A

O: Arytenoid Cartilage

I: Epiglottic Cartilage

Pulls down epiglottis during swallowing

Recurrent Laryngeal Nerve from CN X

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