oral cavity Flashcards
(26 cards)
oral cavity
where the gastrointestinal track begins
cheeks
form the walls of the oral cavity
lips
surround the opening of the oral cavity
hard palate
forms the front part of roof of the mouth
soft palate
behind the hard palate
rugae
ridges on the hard palate
uvula
soft tissue hanging from soft palate
tongue
extended across the floor of oral cavity; moves food around during mastication (chewing) and deglutition (swallowing)
papillae
tiny bumps/ projections on tongue containing taste buds
tonsils
located on both sides of oropharynx; masses of lymphatic tissue
gums
tissue surrounding the sockets of teeth
buccal
teeth facing the cheek
lingual
teeth facing the inside, roof of mouth, or tongue
labial
4 teeth that you can see from front view
crown
teeth that is above the gum
root
part of tooth that is below gum
enamel
hardest tissue in body; outermost layer of crown
dentin
primary material found in teeth, covered by enamel, and cementum
cementum
protective layer in root for dentin
periodontal membrane
tissue that holds the tooth in place in tooth socket
pulp
soft tissue within a tooth; contains nerves and blood vessels
saliva
lubricates mouth
enzyme
chemical that speeds up reaction between substances, like with food enzymes help break it down into a bolus (lump of food)
parotid gland
saliva is released from here
