HOSA Medical Terminology

a

lacking or without

ab

away from

acr

extremity

ad

toward

aer

air, oxygen, or gas

al or -al

pertaining to

an

lacking or without

ana

apart or up

ante

before, forward, in front of

anti

against

auto

self

bi

two or double

bili

bile or gall

blast

immature cell, bud, germ, or embryonic stage of development

brady

slow

celio

abdomen, belly, or abdominal cavity

tachy

fast

-oma

tumor, mass, or abnormal swelling

hemi

half

-ion

action or process

Superior (Cranial)

Above or toward the head

-penia

deficiency, lack of, abnormal reduction in number

Nulli

none

Phleb/o, Ven/o

vein

Hem/o, Hemat/o

blood

-emia

blood condition

Arteri/o

artery

-esis

condition of

-ia

condition of (-ia is a noun ending)

-a

a is a noun ending

Tri

three

Milli

one-thousandth

Primi

first

Erythr/o

red

-ist

practitioner

-cyte

cell

-tomy

to cut into, to make a surgical incision

-iatry

medical treatment, medical profession

Mono

one, single

Uni

one

bi

two or double

Angi/o, Vas/o

vessel

-scopy

visual examination using an instrument or camera

Gastr/o

stomach

-ate

something that

Tetra

four

Inferior (Caudal)

below or toward the feet

Semi

half

Quadri

four

-e

e is a noun ending

-ism

condition

-itis

inflammation

Algia

pain, painful condition

Cardi/o

heart

-stomy

surgical creation of a new or permanent opening

Thromb/o

clot

-centesis

surgical puncture to remove fluid

Splen/o

spleen

-er

one who

Leuk/o

white

coccy

tailbone

con

with, together

contra

against, opposite

cortic

cortex

cryo

cold, freezing

de

down, away from, removal

dextr

right side

di

two, double

dia

through, across, complete

dis

apart, free from, separate

dys

bad, painful, difficult

ec

out, outside, away from

echo

sound, sound wave

ect

out excision, removal

end

in, within, inside

endo

in, within, inside

epi

on, upon, above, over, near

equi

equal, same, balanced

eu

good, normal, well, true

ex

out, away from, outside, former

exo

outside, outward, outer

extra

outside of, beyond, addition to

gangli

Ganglion (a cluster of nerve cell bodies or a knot-like mass)

hemi

half, one side

hidr

sweat, perspiration

home

same, alike, constant, unchanging

homo

same, alike, similar

hydr/o

water, fluid, hydrogen

hyper

excessive, above, beyond, more than normal

im

in, into, not

hyp/o

below, under, deficient

in

in, into, not

infra

below, beneath, under

-gen

producing, causing, forming, originating

-geusia

taste or the sense of taste

-gram

record, picture, or written record

-genesis

production, creation, formation, origin

-graphy

process of recording, writing, or imagina

-hemia

blood condition, presence in the blood

-ia

condition of, state of, disease process