Chapter 12 Vocabulary Flashcards Preview

Medical Terminology > Chapter 12 Vocabulary > Flashcards

Flashcards in Chapter 12 Vocabulary Deck (25):
1

adenoids

lymphatic tissue in the nasopharynx; pharyngeal tonsils

2

alveolus

air sac in the lung

3

apex of the lung

tip or uppermost portion of the lung. An apex is the tip of a structure

4

Base of the lung

lower portion of the lung

5

cilia

thin hairs attached to the mucous membrane epithelium lining the respiratory tract. They clear bacteria and foreign substances from the lung. Cigarette smoke impairs the function of cilia

6

diaphragm

muscle separating the chest and abdomen. It contracts to pull air into the lungs and relaxes to push air out

7

epiglottis

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

8

expiration

breathing out (exhalation)

9

glottis

Slit-like opening to the larynx

10

hilum of the lung

midline region where the bronchi, blood vessels, and nerves enter and exit the lungs. Hilar means pertaining to (at) the hilum

11

inspiration

breathing in (inhalation)

12

larynx

voice box; containing the vocal cords

13

lobe

divisioin of a lung

14

mediastinum

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

15

nares

openings though the nose carrying air into the nasal cavities

16

palatine tonsil

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

17

paranasal sinus

one of the air caities in the bones near the nose

18

parietal pleura

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

19

pharynx

throat; including the nasopharynx, oropharynx, and laryngopharynx

20

pleura

double-layered membrane surrounding each lung

21

pleural cavity

space between the folds of the pleura

22

pulmonary parenchyma

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

23

respiration

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

24

trachea

windpipe

25

visceral pleura

inner layer of pleura lying closer to the lung tissue