Exam 3 Action And Innerv Flashcards
Posterior cricoarytenoid
Action
Nerve
Abducts vocal folds
Recurrent laryngeal nerve, cn X
Transverse arytenoid
Action
Nerve
Adducts vocal folds
Recurrent laryngeal nerve, CN X
Oblique arytenoid
Action
Nerve
Adducts vocal folds
Recurrent laryngeal nerve, CN X
Lateral cricoarytenoid
Action
Nerve
Adducts vocal folds
Recurrent laryngeal nerve, CN X
Thyroarytenoid
Action
Nerve
Relaxes vocal ligament
Recurrent laryngeal nerve, CN X
Vocalis
Action
Nerve
Relaxes posterior vocal ligament
Recurrent laryngeal nerve, CN X
Cricothyroid
Action
Nerve
Tenses vocal ligament
External laryngeal nerve, CN X
Mylohyoid
Action
Nerve
Elevates hyoid
Trigeminal, V3
Tensor tympani
Action
Nerve
Tenses tympanic membrane, dampens noises of chewing
Trigeminal, V3
Stapedius
Action
Nerve
Stabilizes stapes, reduces amplitude of sound waves transmitted to inner ear
CN VII
Tensor veli palatini
Action
Nerve
Tenses soft palate
Trigeminal V3
Levator veli palatini
Action
Nerve
Elevates soft palate
Cn X
Palatoglossus
Action
Nerve
Elevates posterior part of tongue
CN X
Palatopharyngeus
Action
Nerve
Elevates soft palate and pharynx
CN X
Stylopharyngeus
Action
Nerve
Elevates pharynx
CN IX