Head & Neck Flashcards
All of the intrinsic muscles of the larynx are innervated by the ________ nerve, EXCEPT the ________ which is innervated by the EXTERNAL laryngeal.
recurrent laryngeal….crycothyroid
What muscle abducts/opens the vocal chord?
Posterior Crico-arytenoid
What muscle adducts/ closes the vocal cords?
Lateral crico-arytenoid
Which muscle stretches/tenses the vocal cords to increase pitch?
Crico-thyroid
What are the two pathways to supply the larynx with BLOOD?
1.External Carotid->Superior Thyroid->Superior Laryngeal 2.Subclavian->Thyrocervical Trunk->Inferior Thyroid->Inferior Laryngeal
What are the branches of the Thryrocervical Trunk?
1.Supra Scapular 2.Transverse Cervical 3.Inferior Thyroid 4.Ascending Cervical
Innvervation of: Genioglossus
XII
Innvervation of: Hyoglossus
XII
Innvervation of: Styloglossus
XII
Innvervation of: Palatoglossus
X
Innvervation of: Tensor veli palatini
V3
Innvervation of: Levator veli palatini
X
Innvervation of: PalatoPharyngeus
X
Innvervation of: Musculus Uvulae
X
Innvervation of: StyloPharyngeus
IX