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CVB > Muscles of the head and neck > Flashcards

Muscles of the head and neck Flashcards

1
Q

Temporalis

A

Jaw closer from temporal fossa to coronoid process of mandible
N: V3

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2
Q

Masseter

A

Jaw closer from zygomatic arch to laterally on mandible

N: V3

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3
Q

Ptergyoids

A

Important for side to side action
pterygoid fossa to medially on mandible
N: V3

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4
Q

Digastricus

A

Jaw opener; joint arch 1 and 2 derivation
From paracondylar process of occipital bone to ventral mandible
N: V3 and CN VII

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5
Q

Stapedius

A

Innervation from VII

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6
Q

Tensor tympani

A

Innervation from V3

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7
Q

Tensor palatini

A

Opens Eustacian tube/lowers soft palate to allow breathing after swallowing
From muscular process of to lateral soft palate; redirects pull around hamulus of pterygoid
N: V3

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8
Q

Dorsal cricoarytenoideus (DCA)

A

Opens glottis via levering arytenoid cartilages apart laterally
From dorsally on cricoid to laterally on muscular process of arytenoid
N: Recurrent laryngeal branch of vagus

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9
Q

Cricothyroideus

A

Tenses vocal cords
From thyroid to cricoid

N: cranial laryngeal branch of vagus

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10
Q

Hyo-epiglottis

A

depresses epiglottis

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11
Q

Thyroarytenoideus

A

Made of vocalis and vestibularis

Relaxes vocal cords

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12
Q

Lateral cricoarytenoideus

A

Closes ventral glottis by pulling arytenoids together (adducts vocal cords in)
From cricoid to muscular process of arytenoid (BUT line of pull lies rostral to joint unlike DCA)

N: Recurrent laryngeal branch of vagus

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13
Q

Transverse arytenoideus

A

Closes dorsal glottis by adducting dorsal parts of arytenoids
Pull lies rostral to joint
N: Recurrent laryngeal branch of vagus

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14
Q

Genioglossus

A

Protracts the tongue
From mandible into the tongue from rostrally
Hypoglossal

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15
Q

Hyoglossus

A

Retracts the tongue
From basihyoid into tongue from caudally
Hypoglossal

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16
Q

Styloglossus

A

Elevates tongue
From stylohyoid into root of tongue
Hypoglossal

17
Q

Levator palatini

A

Raises soft palate (to close off nasopharynx)

From ?? muscular process to soft palate

18
Q

Flipping epiglottis back

A

Use hyoglossus to retract tongue and geniohyoideus (basihyoid to mandible) to protract the larynx

19
Q

Stylopharyngeus

A

Dilate the pharynx

From stylohyoid to laterally on pharynx

20
Q

Pterygo-pharyngeus

A

Protract pharynx

From pterygoid bone to lat pharynx walls

21
Q

Palato-pharyngeus

A

Protract pharynx

From soft palate to lat pharynx walls

22
Q

Pharyngeal constrictors to move food to oes

A

All go to midline of oes

Hyopharyngeus
Thyropharyngeus
Cricopharyngeus

23
Q

Sterno-thyro-hyoid complex

A

Retracts the larynx

CVB (4 decks)

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