Respiratory system general terms

nares

nostrils

Cilia

Hairlike projections that extend from the plasma membrane and are used for locomotion

pharyngeal tonsil

posterior wall of nasopharynx

adenoids

mass of lymphatic tissue in the nasopharynx

laryngopharynx

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

nasopharynx

region of the pharynx at the back of the nose and above the soft palate

Epoiglottis

in the larynx moves up and down to prevent foods and liquid from entering the trachea-posterior tube

Trachea

windpipe

Mediastinum

space between the lungs

Bronchioles

smallest branches of the bronchi

terminal bronchioles

smaller than 0.5 millimeter and these mark the end of the conducting zone

Alveoli

tiny sacs of lung tissue specialized for the movement of gases between air and blood

capillary

A tiny blood vessel where substances are exchanged between the blood and the body cells.

pleura

Membrane surrounding the lungs

parietal pleura

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

visceral pleura

covers the lungs

apex of the lung

tip or uppermost portion of the lung

base of the lung

lower portion of the lung

hilium of the lung

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

diapragm

Muscle separating the chest and abdomen. It contracts and relaxes to make breathing possible.

inhilation/inspiration

drawing in of breath

exhalation/expiration

breathing out

glottis

Opening between vocal cords

Larynx

voice box

paranasal sinuses

air cavities within the cranial bones that open into the nasal cavities

pulmonary parenchyma

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

Auscultation

Listening with a stethoscope

percussion

a diagnostic procedure designed to determine the density of a body part by the sound produced by tapping the surface with the fingers

sputum

mucous secretion from the lungs, bronchi, and trachea expelled through the mouth

wheezes

continuous high-pitched whistling sounds produced during breathing

purulent

containing pus

Bacilli

Rod shaped bacteria

chronic obstructive pulmonary disease (COPD)

permanent, destructive pulmonary disorder that is a combination of chronic bronchitis and emphysema

cor plumonale

serious cardiac disease associated with chronic lung disorders, such as emphysema

Exudate

fluid, such as pus, that leaks out of an infected wound

infiltrate

collection of fluid or other material within the lung, as seen on a chest film, CT scan, or other radiologic image

paroxysmal

Beginning suddenly or abruptly; convulsive