Suprahyoid & Tongue Flashcards
What is the oral vestibule?
-The area between the teeth and the lips
What innervates the mylohyoid?
-inferior alveolar nerve of V3
=Nerve to mylohyoid
What innervates the anterior belly of the digastric?
-inferior alveolar nerve of V3
What innervates the stylohyoid?
-facial nerve
What innervates the posterior belly of the digastric?
-Facial nerve
What innervates the Geniohyoid?
C1
Where does the lingual nerve (V3) pass in relation to the submandibular (Wharton’s) duct?
Lateral to the duct over hyoglossus
-Medial to duct at anterior of oral cavity
**double crosses
What tongue muscles are innervated by the hypoglossal nerve?
-all muscles ending in -Glossus exceptr for the palatoglossus
What nerve relays taste information from the posterior 1/3 of the tongue?
-glossopharyngeal (IX)
What nerve relays taste information from the epiglottis?
Vagus
What part of the mandible can a dentist palpate to find the location for injection to deaden the inferior alveolar nerve?
lingula
What ligament attaches to the lingula of the mandible?
-sphenomandibular
Where does CN IX run in relation to the hyoglossus muscle?
-medial to the hyoglossus
Where does the lingual nerve run in relation to the hyoglossus muscle?
-superior and lateral to the hyoglossus
Where does CN XII (hypoglossal) run in relation to the hyoglossus?
lateral to the hyoglossus
Where does the lingual artery and vein run in relation to the hyoglossus?
Artery = medial
Vein = lateral
Where is the submandibular ganglion in relation to the hyoglossus muscle?
-lateral, with lingual nerve
What is another name for the submandibular duct?
-wharton’s duct
What is the dividing line between the anterior 2/3 and posterior 1/3 of the tongue?
-Lingual sulcus
What nerve innervates the anterior portion of the hard palate?
-nasopalatine nerve of V2
