Med Term Ch 7.1

Front 1

nose

Back 1

structure that warms, moistens, and filters air; houses the olfactory receptors

Front 2

sinuses

Back 2

air filled spaces in the skull that open up into the nasal cavity

Front 3

palate

Back 3

the roof of the mouth

Front 4

nasopharynx

Back 4

part of the pharynx directly behind the nasal passages

Front 5

pharynx

Back 5

throat; passageway for food to the esophagus and air to the lungs

Front 6

oropharynx

Back 6

central portion of the pharynx; between the roof of the mouth and the upper edge of epiglottis

Front 7

laryngopharynx

Back 7

lower part of the pharynx just below the oropharynx opening into the larynx and esophagus

Front 8

tonsils

Back 8

oval lymphatic tissue on each side of the pharynx, that filter the air to protect the body from bacterial invasion

Front 9

adenoid

Back 9

lymphatic tissue on the back of the pharynx

Front 10

larynx

Back 10

voice box

Front 11

glottis

Back 11

opening between the vocal cords in the larynx

Front 12

epiglottis

Back 12

a lidlike structure that covers the larynx during swallowing to prevent food from entering the airway

Front 13

trachea

Back 13

windpipe

Front 14

bronchial tree

Back 14

branched airways that lead from the trachea to the microscopic air sacs called alveoli

Front 15

right and left bronchus

Back 15

two primary airways branching from the area of the carina into the lungs

Front 16

bronchioles

Back 16

progressively smaller tubular branches of the airways

Front 17

alveoli

Back 17

thin-walled microscopic air sacs that exchange gases

Front 18

lungs

Back 18

two spongy organs in the thoracic cavity enclosed by the diaphragm and rib cage

Front 19

lobes

Back 19

subdivisions of the lung; two on the left and three on the right

Front 20

pleura

Back 20

membranes enclosing the lung and lining the thoracic cavity

Front 21

pleural cavity

Back 21

potential space between visceral and parietal layers of the pleura

Front 22

diaphragm

Back 22

muscular partition that separates the thoracic cavith from the abdominal cavity and moves up and down to aid respiration

Front 23

mediastinum

Back 23

partition that separates the thorax into two compartments (containg the right and left lungs) and encloses the heart, esophagus, trachea and thymus gland

Front 24

mucous membranes

Back 24

thin sheets of tissue that line respiratory passages and secrete mucus

Front 25

cilia

Back 25

hairlike processes from the surface of epithelial cells to move mucus cell secretions upward

Front 26

parenchyma

Back 26

functional tissues fo any organ