Palate and Pharynx (week 2) Flashcards
What muscle raises the Uvula
Musculus Uvulae
What nerve innervates all but one of the muscles associated with the Palate?
CN X
The Palatoglossus muscle is innervated by what cranial nerve?
CN X
What two muscles depress the palate?
Palatopharyngeus and Palatoglossus
What muscle tenses the palate and opens the auditory tube?
Tensor Veli Palatini
What muscle depresses the palate and raises the tongue?
Palatoglossus
What muscle elevates pharynx and depresses palate?
Palatopharyngeus
What nerve innervates Levator Veli Palatini?
CN X
What nerve innervates Musculus Uvulae?
CN X
What nerve innervates Tensor Vali Palatini?
CN V3
What nerve innervates Palatopharyngeus?
CN X
What two major branches from the External Carotid artery supply blood to the palate?
Facial and Maxillary
What branches off of the Maxillary artery supply blood to palate?
Descending Palatine and Sphenopalatine
What branch off of the Facial artery supplies blood to the palate?
Ascending Palatine
General Sensory fibers to the palate is from what cranial nerve?
CN V-V2
What three specific nerve branches supply general sensory fibers to the palate?
Nasopalatine, Greater and Lesser Palatine
What foramen does the nasopalatine use to go towards the nasal septum on its way to the palate
The Sphenopalatine Foramen
What nerve supplies general sensory fibers to the palate between the Canines and Soft Palate?
Greater Palatine Nerve
What nerve branch provides general sensory fibers to the soft palate?
Lesser Palatine
What nerve supplies General Sensory fibers to the palate between the Midline and canines?
Nasopalatine
Name all three constrictor muscles of the Pharynx
Superior Pharyngeal Constrictor, Middle Constrictor and Inferior Constrictor
What Cranial Nerve innervates the constrictor pharnyx muscles?
CN X
What muscle of the Pharynx is innervated by CN IX?
Stylopharyngeus
Name the three muscles of the pharynx that are not constrictor muscles
Stylopharyngeus, Salpingopharyngeus and Palatopharyngeus
What two cranial nerves supply general sensory fibers to the pharynx?
CN IX & X
What nucleus do Parasympathetic pre-ganglionic fibers start at when going to the Pharynx?
Dorsal Vagal Motor Nucleus (CN X)
What nucleus do the Motor neurons begin at when providing motor innervation to the pharynx muscles?
Nucleus Ambiguous (CN X)
What 4 main branches of the external carotid artery give blood to the pharynx?
Maxillary, Facial, Ascending Pharyngeal and Superior Thyroid
What branches in the subclavian arterial system give blood to the pharynx?
Thyrocervical trunk and Inferior Thyroid (branch of thyrocervical trunk)
What branch of Maxillary artery gives blood to pharynx?
Pharyngeal
What two branches from facial artery gives blood to pharynx?
Ascending Palatine and Tonsillar
Nasopharynx receives general sensory from what nerve
V2 via the pharyngeal n.
General Sensory cell bodies to the Pharynx are found in what ganglion?
Superior & Inferior glossopharyngeal and Vagal ganglia
