Medical Terminology Chapter 9

Respiratory System

nas/o

nose

nasus

nose (nom singular)

nasi

nose (gen singular)

rhin/o

nose

nar/i

nostril

naris

nostril (nom + gen singular)

sin/o

curve

sinus/o

cavity, socket, sinus

sinus

cavity, socket, sinus (nom + gen singular)

antr/o

cave, cavity, sinus

antrum

cave, cavity, sinus (nom singular)

antri

cave, cavity, sinus (gen singular)

pharyng/o

throat

-pharynx

throat

pharynx

throat (nom singular)

pharyngis

throat (gen singular)

laryng/o

voice box, larynx

-larynx

voice box, larynx

larynx

voice box, larynx (nom singular)

laryngis

voice box, larynx (gen singular)

epiglott/o

epiglottis

epiglottid/o

epiglottis

epiglottis

epiglottis (nom singular)

epiglottidis

epiglottis (gen singular)

glott/o

vocal cord, tongue

glottis

vocal cord (nom + gen singular)

trache/o

trachea

trachea

trachea (nom singular)

tracheae

trachea (gen singular)

trachel/o

neck

trach/o

rough

trachy-

rough

bronch/o

bronchus

bronchus

bronchus (nom singular)

bronchi

bronchus (gen singular)

bronchiol/o

bronchiole, small bronchus

bronchiolus

bronchiole, small bronchus (nom singular)

bronchioli

bronchiole, small bronchus (gen singular)

hil/o

hilum, little thing, trifle

hilum

hilum, little thing, trifle (nom singular)

hili

hilum, little thing, trifle (gen singular)

pulm/o

lung

pulmon/o

lung

pulmo

lung (nom singular)

pulmonis

lung (gen singular)

pneum/o

lung

pneumon/o

lung

alveol/o

alveolus, sac

alve/o

alveolus, sac

alveolus

alveolus, sac (nom singular)

alveoli

alveolus, sac (gen singular)

lob/o

lobe

lobus

lobe (nom singular)

lobi

lobe (gen singular)

pleur/o

pleura, rib

pleura

pleura, rib (nom singular)

pleurae

pleura, rib (gen singular)

phren/o

diaphragm

diaphragm/o

diagphragm

diaphragmat/o

diaphragm

diaphragma

diaphragm (nom singular)

diaphragmatis

diaphragm (gen singular)

phragm/o

obstruction, wall

phragmat/o

obstruction, wall

-emphraxis

obstruction, wall

pector/o

chest

pectus

chest (nom singular)

pectoris

chest (gen singular)

steth/o

chest

thorac/o

thorax

-thorax

thorax

thorax

thorax (nom singular)

thoracis

thorax (gen singular)

mediastin/o

mediastinum

-mediastinum

mediastinum

mediastinum

mediastinum (nom singular)

mediastini

mediastinum (gen singular)

pne/o

breath, breathing

-pnoea

breath, breathing

-pnea

breath, breathing

tachy-

rapid, quick

brady-

slow

orth/o

upright, straight, correct, normal

platy-

flat, broad

plat/o

flat, broad

poly-

many, much

spir/o

breath, breathing

spirat/o

breath, breathing

hal/o

breath, breathing

halit/o

breath, breathing

pneum/o

wind, gas, air

pneumat/o

wind, gas, air

carb/o

carbon dioxide, carbon

carbon/o

carbon dioxide, carbon

capn/o

carbon dioxide, smoke

oxy-

oxygen, acid, sharp, acute, rapid

ox/o

oxygen, acid, sharp, acute, rapid

aer/o

air

aehter/o

ether, upper air

ether/o

ether, upper air