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Anatomy > Larynx > Flashcards

Larynx Flashcards

1
Q

Larynx

A

Voice production

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2
Q

Thyroid cartilage

A

Oblique line= sternothyrid, thyrohyoid and inferior constrictor

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3
Q

Cricoid cartilage

A

Arytenoid cartilage

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4
Q

Epiglottis

A

Elastic cartilage

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5
Q

Muscles of larynx: external

A

Supra and infrahyoid- Move larynx by swallowing

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6
Q

Elevation muscles: external

A

Digastric, Stylohyoid, myohyoid, geniohyoid

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7
Q

Depression muscles: external

A

Sternothyroid, sternothyroid, Omohyoid

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8
Q

Internal muscles: of larynx

A

Cricothyroid- tenses and elongates Vocal folds, external laryngeal branch of vagus
Thyroarytenoid- pulls arytenoids forwards, recurrent laryngeal nerve
Posterior cricoarytenoid- pulls muscular process of arytenoid backwards, recurrent laryngeal branch of vagus
Lateral cricoarytenoid- pulls muscular process forwards, recurrent laryngeal branch of vagus
Oblique arytenoid- recurrent laryngeal branch of vagus
Transverse arytenoid- closes posterior part of rimaglottidis, recurrent laryngeal branches of vagus

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9
Q

Vagus nerve branches

A

Inferior vagal ganglion- vagus nerve- right recurrent laryngeal n
Inferior vagal ganglion-pharyngeal branch
Inferior vagal ganglion- superior laryngeal nerve- internal laryngeal nerve
Inferior vagal ganglion- supeiror laryngeal nerve- external laryngeal nerve

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10
Q

Arterial supply to larynx

A

Superior laryngeal
Superior thyroid- form external carotid
Inferior laryngeal- from inferior thyroid
Inferior thyroid- form thyrocervical trunk form subclavian

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11
Q

Venous drainage of larynx

A

Superior and inferior laryngeal

Inferior and superior thyroid

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Anatomy (18 decks)

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