Oral Region Flashcards
what makes up the oral cavity
vestibule (bw teeth, lips)
Oral cavity proper (bw hard/soft palate + mylohoid m inf)
what does the oral cavity open into
the oropharynx and then the larangeal area of the pharanxy
What is the isthmus of fauces
contricted space bw oral cavity proper and oropharanx
what are the two arches in the oral cavity and which is ant
ant- palatoglossal arch
post- palatopharayngeal arch
what CN provides somatosensory to tonsil and ant surface of soft palat
CN9 (glossopharangeal)
what is ‘tounge tie’ due to
Congenital short lingual frenulum
what innervates the uvula and what would happen if the R side of that nerve was affected
CNX vagus
would deviate to the left
what is the cause of cleft palate
failure of medial mesenchymal masses of the palantine process + nasal septum to fuse (usually males)
what nerve innervates sensory and taste in root of tounge
CNX: int laryngeal
what nerve inn sensory and taste in post tongue
CN9 Glossopharangeal
what nerve inn sensory + what nerve inn taste in ant tongue
Taste; CN7 (chorda timpani)
Sensory; CNV3 lingual
What neve is afffect when tongue apex protrudes to the right side
CN12 hypoglossal
Genioglossus muscle moves tongue to opposite side so in this case R hypoglossal nerve is affected
general sensory of lingual n
mucosa of floor of mouth
lingual gingivae
mucosa of ant 2/3 of tongue
