Larynx Flashcards by Steph Morton

Q

Cricothyroid origin

A

Cricoid cartilage

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Q

Cricothyroid insertion

A

Thyroid cartilage

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Q

Cricothyroid innervation

A

External branch of superior laryngeal nerve (CN X)

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Q

Cricothyroid action

A

Increases tension on vocal fold

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Q

Thyroarytenoid origin

A

Thyroid cartilage

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Q

Thyroarytenoid insertion

A

Arytenoid cartilage

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Q

Thyroarytenoid innervation

A

Recurrent laryngeal nerve (CN X)

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Q

Thyroarytenoid action

A

Sphincter of laryngeal vestibule

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Q

Vocalis origin

A

Thyroid cartilage

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Q

Vocalis insertion

A

Arytenoid cartilage (vocal process)

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Q

Vocalis innervation

A

Recurrent laryngeal nerve (CN X)

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Q

Vocalis action

A

Adjusts tension of vocal fold

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Q

Posterior cricoarytenoid origin

A

Cricoid cartilage (posterior aspect)

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Q

Posterior cricoarytenoid insertion

A

Arytenoid cartilage (muscular process)

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Q

Posterior cricoarytenoid innervation

A

Recurrent laryngeal nerve (CN X)

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Q

Posterior cricoarytenoid action

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A

Abducts vocal fold

Q

Lateral cricoarytenoid origin

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A

Cricoid cartilage (superior aspect)

Q

Lateral cricoarytenoid insertion

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A

Arytenoid cartilage (muscular process)

Q

Lateral cricoarytenoid innervation

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A

Recurrent laryngeal nerve (CN X)

Q

Lateral cricoarytenoid action

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A

Adducts vocal fold

Q

Transverse arytenoid origin

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A

Arytenoid cartilage

Q

Transverse arytenoid insertion

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A

Arytenoid cartilage

Q

Transverse arytenoid innervation

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A

Recurrent laryngeal nerve (CN X)

Q

Transverse arytenoid action

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A

Closes glottis

Oblique arytenoid origin

Arytenoid cartilage

Oblique arytenoid insertion

Arytenoid cartilage, aryepiglottic fold

Oblique arytenoid innervation

Recurrent laryngeal nerve (CN X)

Oblique arytenoid action

Constricts laryngeal inlet