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SPEECH ANATOMY > 3-2 phonation muscles > Flashcards

3-2 phonation muscles Flashcards

1
Q

entrance (auditius)

A

epiglottis, aryepiglottic folds, & apexes of arytenoid cartilages

black & white pic - outline of opening

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2
Q

aryepiglottic folds

A

upper border of quadrangular membrane

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3
Q

vestibular folds

A

aka false vocal folds or ventricular folds

formed from a fold of mucous membrane & the vestibular ligament (top fold)

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4
Q

vocal folds

A

vocal fold = vocal ligament + muscle + epithelial tissue

run between thyroid cartilage & attach to vocal process of arytenoid cartilage

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5
Q

layers of the vocal folds

A

MUCOSA
1. stratified squamous epithelial tissue: white appearance

  1. superior tissue: some elastic & a little collagen, loose

LIGAMENT
3. intermediate: mostly elastin

  1. deep layer: mostly collagen

MUSCLE
5. vocalis: muscle that vibrates w/ vocal folds

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6
Q

glottis

A

opening/space between the vocal folds

divided into membranous (bottom) & cartilaginous (top)

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7
Q

supraglottal space

A

vestibule = ventricular folds & entrance
big top part in between aryepiglottic folds & vestibular fold

ventrical = vocal folds & ventricular folds
small middle part between vestibular folds & vocal fold

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8
Q

subglottal space

A

opening/space underneath the vocal folds

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9
Q

anterior belly of digastric muscle

A

origin: lower border of mandible
insertion: intermediate tendon –> attaches to hyoid bone

elevates larynx

innervated by cranial nerve

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10
Q

posterior belly of digastric muscle

A

origin: mastoid process of temporal bone (near ear)
insertion: intermediate tendon –> attaches to hyoid bone

elevates larynx

innervated by cranial nerve

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11
Q

stylohyoid

A

origin: styoid process of temporal bone
insertion: hyoid bone

elevates larynx

innervated by cranial nerve

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12
Q

mylohyoid

A

forms muscular floor of the mouth

origin: lower, inner border of mandible
insertion: hyoid

elevates larynx

innervated by cranial

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13
Q

geniohyoid

A

origin: mental spines of mandible
insertion: hyoid bone

elevates larynx

innervated by cranial nerve

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14
Q

hyoglossus

A

origin: hyoid bone
insertion: tongue

elevates larynx

innervated by cranial nerve

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15
Q

genioglossus

A

origin: midline of mandible
insertion: hyoid & under surface of tongue

elevates larynx

innervated by cranial nerve

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16
Q

inferior pharyngeal constrictors

A

origin: thyroid & cricoid cartilages
insertion: each other @ the pharyngeal midline

elevates the larynx (& constricts the pharynx)

innervated by cranial nerve

17
Q

sternohyoid

A

origin: back of the manubrium of sternum
insertion: hyoid bone

depresses larynx

innervates cervical

18
Q

inferior belly of omohyoid

A

origin: scapula
insertion: intermediate tendon

depresses larynx

innervates cervical

19
Q

superior belly of omohyoid

A

origin: intermediate tendon
insertion: greater cornu of hyoid bone

depresses larynx

innervates cervical

20
Q

sternothyroid

A

origin: sternum (& first rib)
insertion: thyroid cartilage

depresses larynx

innverates cervical

21
Q

thyrohyoid

A

origin: thyroid cartilage
insertion: greater cornu of hyoid

depresses larynx

innervates cervical

22
Q

transverse arytenoid

A

origin: lateral & posterior surface of one arytenoid
insertion: lateral & posterior surface of the other arytenoid

adducts vocal folds

23
Q

oblique arytenoid muscle

A

origin: muscular process of 1 arytenoid
insertion: apex of the other arytenoid

adducts vocal folds

24
Q

lateral cricoarytenoid

A

origin: cricoid arch
insertion: muscular process of arytenoid cartilage

adducts vocal folds (primary muscle)

25
Q

posterior cricoarytenoid

A

origin: posterior surface of cricoid lamina
insertion: muscular process of arytenoid

abducts vocal folds (only one)

26
Q

lateral thyroarytenoid

A

thyromuscularis

origin: thyroid
insertion: muscular process of arytenoid cartilage

adducts (& relaxes) vocal folds

forms muscular mass of vocal folds

27
Q

medial thyroarytenoid

A

thyrovocalis

origin: thyroid cartilage
insertion: vocal process of arytenoid cartilagle

lengthens vocal folds & increases tension (& pitch)

forms muscular mass of vocal folds –> vibrates w/ vocal ligament

28
Q

anterior cricothyroid

A

pars recta

origin: cricoid arch
insertion: thyroid lamina

lenthens vocal folds

29
Q

posterior cricothyroid

A

pars oblique

origin: cricoid arch
insertion: inferior horns of thyroid

lenthens vocal folds

SPEECH ANATOMY (14 decks)

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