mix Flashcards
(23 cards)
what are the 12 cranial nerves in order?
olfactory optic oculomotor trochlear trigeminal abducens facial vestibulocochlear glossopharyngeal vagus accessory hypoglossal
what are the extrinsic muscles of the tongue?
hypoglossus
genioglossus
styloglossus
palatoglussus
what are the extrinsic muscles of the tongue supplied by?
hypoglossus
what are the intrinsic muscles of the tongue?
transverse
vertical
superior and inferior longitudinal
what are the functions of the tongue?
mastication speech swallow taste self cleansing protection
what taste is associated with the tip of the tongue?
back?
sides?
salt and sweet
bitter
sour
what is taste innervated by?
chorda tympani - branch of the facial nerve
what is the sensation of the tongue supplied by?
glossopharyngeal
lingual
vagus
what are the filiform papillae?
pink
give soft velvety appearance
what are the fungiform papillae?
red spots
taste buds
how is the tongue seperated?
anterior 2/3 and posterior 1/3 by a v - ending in a tip of foramen caecum
what are the circumvalate papillae?
anterior to foramen caecum
contain glands of von ebner
where are the foliatte papillae found?
sides of the tongue
what are the dark folds under the tongue next to the lingual vein?
plica fimbriata
where is whartons duct found?
FOM
what is in above the mylohyoid?
the sublingual space
geniohyoid, lingual nerve, sunglingual gland and submandibular duct
what is below the mylohyoid?
submandibular space
digastric muscle, submandibular salivary gland
what are the 3 types of saliva?
serous
mucous
mixed
what duct does the parotid gland empty into?
stensons duct
what type of saliva does the parotid produce?
serous
25% of saliva
what type of saliva does the submandibular gland produce?
mixed
70%
what type of saliva does the sublingual gland produce?
mixed but mostly mucous
5%
contents of saliva?
water mucopolysaccharides immunoglobulins mineral salts lysosyme enzymes
