Lectures 31-32 Flashcards
created by depressor septi muscles
philtrum
joins the upper lip with gums and lower lip with gums
labial frenulum (superior and inferior)
major muscle surrounding mouth
orbicularis oris
the mouth extends from the lips to the __
palatoglossal fold
space medial to and between the teeth and contains tongue
oral cavity proper
space between cheek, teeth, and gums
buccal cavity
mx that makes up lateral wall of buccal cavity
buccinator
buccinator is posteriorly attached to
ptyergomandibular raphe’
attachment of tongue to bottom of mouth
lingual frenulum
on either side of the frenulum, covers sublingual glands
sublingual folds
small children’s 20 deciduous teeth
4 incisors, 2 canines, 4 molars in each jaw
adult with all teeth
32 permanent (4 incisors, 2 canines, 4 premolars, 6 molars in each jaw)
part of tongue where thyroid gland begins
foramen cecum
various elevations that cover the tongue
papillae
small and cover the anterior portion of the tongue
filiform
found on sides and tip of tongue
fungiform
large, 8-12, form a V on tongue
vallate
function of intrinsic tongue muscles
alter shape of tongue
extrinsic muscle that sticks out tongue
genioglossus
extrinsic muscle that depresses tongue “ahhh”
hypoglossus
extrinsic muscle that creates a funnel
styloglossus
extrinsic muscle that initiates swallowing
palatoglossus
palatoglossus innervation
vagus n.
innervation of most tongue muscles
hypoglossal n.
taste to anterior 2/3 of tongue is supplied by
facial n. - chorda tympani br.
taste/general sensation to posterior 1/3 of tongue is supplied by
glossopharyngeal n.
sensation to anterior 2/3 of tongue is supplied by
trigeminal n. V3
parotid gland is innervated by
CN 9
submandibular gland drains into the mouth at the
sublingual caruncle
sublingual gland drains into the mouth __ the tongue
below
formed by maxillary palatine processes plus horizontal plate of palatine bone
hard palate
formed by skeletal muscles, covered by mucosa
soft palate
innervation of tensor veil palatini
trigeminal nerve (mandibular division)
muscle of soft palate that originates from eustactian tube, around hamulus (of medial ptyergoid) and joins in middle of palatine aponeurosis. compacts food for easier swallowing
tensor veli palatini