Chapter 12: Vocab Flashcards Preview

Medical Terminology > Chapter 12: Vocab > Flashcards

Flashcards in Chapter 12: Vocab Deck (29):
1

adenoids

lymphatic tissue in the nasopharynx; pharyngeal tonsils

2

alveolus
plural: alveoli

air sac in the lung

3

apex of the lung

tip or uppermost portion of the lung

4

base of the lung

lower portion of the lung

5

bronchioles

smallest branches of the bronchi

6

bronchus
plural: bronchi

branch of the trachea that is a passageway into the lung; bronchial tube

7

carbon dioxide

gas produced by body cells when oxygen and carbon atoms from food combine; exhaled through the lungs

8

cilia

thin hairs attached to the mucous membrane epithelium lining the respiratory tract, clears bacteria and foreign substances from the lung

9

diaphragm

muscle separating the chest and abdomen, it contracts to pull air into the lungs and relaxes to push air out

10

epiglottis

lid-like piece of cartilage that covers the larynx, preventing food from entering the larynx and trachea when swallowing

11

expiration

breathing out (exhalation)

12

glottis

slit-like opening to the larynx

13

hilum of the lung

midline region where the bronchi, blood vessels, and nerves enter and exit the lungs

14

inspiration

breathing in (inhalation)

15

larynx

voice box; containing the vocal cords

16

lobe

division of the lung

17

mediastinum

region between the lungs in the chest cavity, contains trachea, heart, lymph nodes, aorta, esophagus, bronchial tubes

18

nares

openings through the nose carrying air into the nasal cavity

19

oxygen

gas that makes up 21% of the air, passes into the bloodstream at the lungs and travels to all body cells

20

palatine tonsil

one of a pair of almond-shaped masses of lymphatic tissue in the oropharynx

21

paranasal sinus

one of the air cavities in the bones near the nose

22

parietal pleura

outer layer of pleura lying closer to the ribs and chest wall

23

pharynx

throat; including the nasopharynx, oropharynx, laryngopharynx

24

pleura

double-layered membrane surrounding each lung

25

pleural cavity

space between the folds of the pleura

26

pulmonary parenchyma

essential parts of the lung, responsible for respiration; bronchioles and alveoli

27

respiration

process of moving air into and out of the lungs; breathing

28

trachea

windpipe

29

visceral pleura

inner layer of pleura lying closer to the lung tissue

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