ENT Mouth Flashcards
where is the oral vestibule between?
the teeth and lips
what two muscles form the floor of the mouth?
geniohyoid
mylohyoid
nerve supply mylohyoid?
CN V3
nerve supply of geniohyoid?
C1 via CN12
what are the pairs of major salivary glands?
parotid
submandibular
sublingual
where does the parotid gland drain?
upper 2nd molar
where does the sublingual gland drain?
floor of mouth
where does the submandibular gland drain?
sublingual caruncle
what glands does CN7 supply?
sublingual
submandibular
what supplies the parotid gland?
CN 9
what muscle is the tongue made of?
skeletal
what papillae are at the front of the tongue? what do these sense?
filiform
touch and temp
what taste buds are at the middle of the tongue?
fungiform
what taste buds are at the back of the tongue?
folate
vallate
what is the supply of the posterior 1/3rd? is this in the oral cavity?
CN9
NO
(vertical part)
what is the supply of the anterior 2/3rd of the tongue? is this in the oral cavity?
sensory CNV3
taste CN7
YES
(horizontal)
4 muscles that suspend the tongue?
genioglossus
palatoglossus
hyoglossus
styloglossus
if unilateral CN7 damage, how can this be tested?
tongue points TOWARDS side of injured nerve
testing of CN10?
uvula pulled AWAY from non functioning side
what do the outer layer of the muscles of the pharynx do?
constrict sequentially to push food down
what do the inner layer of the muscles of the pharynx do?
pulls larynx up, shortening the pharynx during swallowing
what does waldeyer’s tonsillar ring do?
provides defence against invading pathogens
what are the regional nodes for the tip of the tongue?
submental nodes
