Chapter 15.1: Oral Cavity Flashcards Preview

Medical Terminology > Chapter 15.1: Oral Cavity > Flashcards

Flashcards in Chapter 15.1: Oral Cavity Deck (56):
1

What are lips?

muscular folds

2

Define buccal mucosa

buccal mucosa is the mucous membrane that lines the inside of the cheeks (bucca)

3

Define palate

the roof of the mouth

4

What does the palate separate?

the palate separates the mouth from the nasal cavity

5

What is the hard palate?

the hard palate is the bony anterior portion of the palate

6

What is the soft palate?

the soft palate is the muscle and connective tissue posterior portion of the palate

7

Define uvula

the uvula is a saclike structure that hangs into the throat and closes off the nasal passage during swallowing

8

What is the purpose of the tongue?

production of speech; provide a sense of taste; assist in swallowing

9

Define frenulum

the frenulum is a mucous membrane cord that that connects the tongue to the bottom of the mouth

10

Define papillae

papillae are projections on the surface of the tongue

11

What is the purpose of the papillae?

the papillae add roughness to aid licking and contain taste buds for sensing sweetness, sourness, saltiness, and bitterness

12

What are the four types of teeth?

incisors, canines, bicuspids, and molars

13

Where are the incisors located?

front of the mouth

14

Where are the canines (cuspids) located?

front of the mouth

15

Where are the bicuspids (premolars) located?

back of the mouth

16

Where are the molars located?

back of the mouth

17

What are the two main parts of the tooth?

the crown and the root

18

Where is the crown part of the tooth located?

above the gums

19

Where is the root part of the tooth located?

below the gums

20

Define gums or gingiva

the gums or gingiva are mucous membranes that surround the tooth socket

21

How many teeth do children between the ages of 6 months and 2 years get?

20 temporary or deciduous teeth

22

How many permanent teeth do people get?

32

23

Define deciduous

temporary

24

Define pulp (teeth)

pulp is the cavity at the core of each tooth that is made up of blood vessels and nerves

25

Define root canal (teeth)

the root canal allows for the extension of pulp into the root

26

Define dentin

dentin is the layer that covers the pulp cavity

27

Define enamel

the enamel is a hard, white layer that covers the portion of the tooth lying above the gum

28

Define cementum

the cementum is the covering of the root

29

Define alveolus

the alveolus is the bony socket that the root is anchored in

30

What is the purpose of the front teeth?

to slice or tear

31

What is the purpose of the back teeth?

to chew or masticate

32

Define masticate

to chew

33

What is the structure of the tooth from inside out? (only 4 layers)

pulp, dentin, cementum, and enamel

34

What are the muscular folds of the oral cavity called?

lips

35

What is the mucous membrane that lines the inside of the cheeks (bucca)?

buccal mucosa

36

What is the roof of the mouth called?

palate

37

What separates the mouth from the nasal cavity?

palate

38

What is the bony anterior portion of the palate?

hard palate

39

What is the muscle and connective tissue posterior portion of the palate?

soft palate

40

What is a saclike structure that hangs into the throat and closes off the nasal passage during swallowing?

uvula

41

What is a mucous membrane cord that that connects the tongue to the bottom of the mouth?

frenulum

42

What are projections on the surface of the tongue?

papillae

43

What adds roughness to aid licking and contain taste buds for sensing sweetness, sourness, saltiness, and bitterness?

papilllae

44

What type of teeth are located at the front of the mouth? (2)

incisors and canines (cuspids)

45

What type of teeth are located at the back of the mouth? (2)

bicuspids (premolars) and molars

46

What part of the tooth is located above the gum?

crown

47

What part of the tooth is located below the gum?

root

48

What are mucous membranes that surround the tooth socket?

gums or gingiva

49

What is the cavity at the core of each tooth that is made up of blood vessels and nerves?

pulp

50

What allows for the extension of pulp into the root?

root canal

51

What is the layer that covers the pulp cavity?

dentin

52

What is a hard, white layer that covers the portion of the tooth lying above the gum?

enamel

53

What is the covering of the root called?

cementum

54

What is the bony socket that the root is anchored?

alveolus

55

What teeth position has the job of slicing and tearing?

the front teeth

56

What teeth position has the job of masticating?

back teeth

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