ORAL CAVITY Flashcards
What does a non healing ulcer suggest
Oral cancer
What superficial structures can you see under the toungue
Frenulum, sublingual canicle, sublingual fold overlying sublingual gland, opening of submandibular duct, deep lingual veins
What can you see at the posterior of the oral cavity
Palatoglossal arch, palatine tonisil, palatopharyngeal arch, soft palate, uvula, posterior wall of oropharynx
Papillae location on tongue
FUngiform (sides) filiform (middle), vallate (base)
Where is the foramen cecum
Base of the tongue
2 muscles that form the floor of the oral cavity
Mylohyoid and geniohyoid
Describe the attachment of the myohyoid
Mylohyoid line, hyoid bone, lateral free edge
Attachment of geniohyoid
Inferior mental spines and hyoid bone
What forms the triangular aperture/ oropharyngeal triangle
Free edge of mylohyoid, inferior edge of superior constrictor and superior edge of middle constrictor
What muscles sit deep to geniohyoid
Genioglossus
Extrinsic tongue muscles
Genioglossus, hyoglossis, styloglossus, palatoglossus
Intrinsic tongue muscles
Superior longitudnal, inferior longitudnal, septum
What nerve innervates all the tongue muscles
Hypoglossal, except palatoglossus 10
Where are the two spaces in the floor of the oral cavity
Between mylohyoid and hyoglossus, and between hyoglossus and genioglossus
What passes through the space between mylohyoid and hyloglossus
Deep lingual vein, lingual nerve (v3), hypoglossal nerve,