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7 Cards in this Set
- Front
- Back
Larynx m - abductors, adductors
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Abductor - posterior cricoarytenoid.
Adductors - 3 on each side, Lateral cricoarytenoid, transverse arytenoid, thyroeritnoid (ext portion) |
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Larynx m - tensors, relaxors
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Cricothyroid, Vocalis (thyroarytenoid). Relaxors - Vocalis
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Larynx m - narrow/widen inlet
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Oblique arytenoid narrows, thyroepiglottic widens
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Larynx - external muscles
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Stylopharyngeus, palatopharyngeus, inferior constrictor
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Blood supply - larynx
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Superior laryngeal from superior thyroid a, inferior laryngeal from inferior thyroid a, cricothyroid a of superior thyroid
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Larynx - innervation
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Superior laryngeal n --> Internal laryngeal n sensory above vocal cords--> External laryngeal n cricothyroid m. Recurrent (inferior) Laryngeal n --> motor innervation to all other muscles, sensory below cords
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Larynx - quadrangular membrane, conus elasticus
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Quadrangular - from Eryepiglottic fold sup to vestibular ligament inf. Conus elasticus = Cricothyroid membrane (median + lat that forms vocal ligament)
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