Word Components of the Respiratory System

Chapter 4 Medical Terminology

a-, an-

Absence of, without

brady-

Slow

dys-

Difficult, painful, abnormal, labored

endo-

Within, in

eu-

Normal, good

hyper-

Above, excessive

hypo-

Below, incomplete

intra-

Within, in

poly-

Many, much

tachy-

Fast, rapid

adenoid/o

Adenoids

alveol/o

Alveolus

atel/o

Imperfect, incomplete

bronch/o

Bronchus

bronchi/o

Bronchus

capn/o

Carbon dioxide

diaphragmat/o

Diaphragm

epiglott/o

Epiglottis

hem/o

Blood

hemat/o

Blood

laryng/o

Larynx

lob/o

Lobe

muc/o

Mucus

nas/o

Nose

orth/o

Straight

ox/i

Oxygen

pharyng/o

Pharynx

phon/o

Sound, voice

phren/o

Diaphragm

pleur/o

Pleura

pneum/o, pneumon/o

Lung, air

pneumat/o, pulmon/o

Lung

py/o

Pus

radi/o

X-rays, ionizing radiation

respir/o

Breath, breathing

rhin/o

Nose

sept/o

Septum

sinus/o

Sinus

somn/o

Sleep

son/o

Sound

spir/o

Breathe, breathing

thorac/o

Thorax, chest cavity

tom/o

To cut, section, slice

tonsill/o

Tonsil

trache/o

Trachea

-algia

Pain

-ar, -ary

Pertaining to

-cele

Hernia, protrusion

-centesis

Surgical puncture to aspirate fluid

-eal

Pertaining to

-ectasis

Stretching out, dilation, expansion

-ectomy

Excision, cut out

-emia

In the blood

-genic

Producing, originating, causing

-gram

Record of, radiographic image

-graph

Instrument used to record

-graphy

Process of recording, radiographic imaging

-ia

Condition, diseased state, abnormal state

-ic

Pertaining to

-itis

Inflammation

-logist

Specialist who studies and treats

-logy

Study of

-meter

Instrument used to measure

-metry

Measurement

-oid

Resembling

-osis

Abnormal condition

-pexy

Surgical fixation, suspension

-plasty

Surgical repair

-pnea

Breathing

-ptysis

Spitting, coughing

-rrhagia

Rapid flow of blood, excessive bleeding

-scope

Instrument used for visual examination

-scopic

Pertaining to visual examination

-scopy

Process of visually examining, visual examination

-spasm

Sudden involuntary muscle contraction, spasmodic contraction

-stenosis

Constriction, narrowing

-stomy

Creation of an artificial opening

-thorax

Chest, chest cavity

-tome

Instrument used to cut

-tomy

Cut into, incision