Muscles (Action and Innervation) Flashcards by Madi Berger | Brainscape

Q

Platysma

A

A - facial twitch, expression

I - Facial nerve VII

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Q

Orbicularis Oris

A

A - Move lips

I - Facial nerve VII

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Q

Buccinator

A

A - Return food from vestibular region to teeth

I - Facial Nerve VII

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Q

Levator Nasolabialis

A

A - Dilates nostril, raises superior lip

I - Facial nerve VII

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Q

Orbicularis Oculi

A

A - Close palpebral fissure (blink)

I - Facial Nerve VII

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Q

Cricothyroid

A

A - Tenses focal fold by drawing together ventral parts of cricoid and thyroid cartilages
I - Cranial Laryngeal Nerve

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Q

Dorsal Cricoarytenoid

A

A - open the glottis

I - caudal laryngeal nerve

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Q

Lateral Cricoarytenoid

A

A - close the glottis

I - caudal laryngeal nerve

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Q

Thyroarytenoid

A

A - relax the vocal fold, constrict the glottis

I - caudal laryngeal nerve

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Q

Vocalis

A

A - Shortens and relaxes vocal cords

I - Caudal laryngeal nerve

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Q

Temporalis

A

A - close the jaws

I - Mandibular branch of the Trigeminal nerve V3

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Q

Masseter

A

A - Close the jaws

I - Mandibular branch of Trigeminal nerve V3

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Q

Pterygoid

A

A - Close the jaws

I - Mandibular branch of Trigeminal nerve V3

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Q

Digastricus

A

A - Open the jaws

I - Mandibular branch of Trigeminal nerve V3

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Q

Styloglossus

A

A - Retracts and elevates tongue

I - Hypoglossal nerve XII

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Q

Hyoglossus

A

A - Retracts and depresses tongue

I - Hypoglossal nerve XII

Q

Genioglossus

A

A - Protrude tongue, retract apex

I - Hypoglossal nerve XII

Q

Sternohyoid

A

A - Swallowing

I - Hypoglossal nerve XII

Q

Thyrohyoid

A

A - Swallowing

I - Hypoglossal nerve XII

Q

Mylohyoid

A

A - Aids in support of tongue

I - Mandibular branch of Trigeminal nerve V3

Q

Geniohyoid

A

A - Draw hyoid and larynx rostrally

I - Hypoglossal nerve XII

Q

Cricopharyngeus

A

A - Swallowing

I - Glossopharyngeal nerve IX

Q

Thyropharyngeus

A

A - Swallowing

I - Glossopharyngeal IX

Q

Hyopharyngeus

A

A - Swallowing

I - Glossopharyngeal nerve IX

Q

Levator Palpebrae

A

A - Lift superior palpebrae

I - Oculomotor nerve III

Q

Dorsal Oblique

A

A - Rotate eye medially

I - Trochlear nerve IV

Q

Ventral Oblique

A

A - Rotate eye laterally

I - Oculomotor nerve III

Q

Dorsal Rectus

A

A - Rotate eye dorsally

I - Oculomotor nerve III

Q

Lateral Rectus

A

A - Rotate eye laterally

I - Adducent nerve VI

Q

Medial Rectus

A

A - Rotate eye medially

I - Oculomotor nerve III

Q

Ventral Rectus

A

A - Rotate eye ventrally

I - Oculomotor nerve III

Q

Retractor Bulbi

A

A - Pull eye caudally

I - Abducent nerve VI