HOSA Medical Terminology 2025

a-,an-

without, lack of

ab-

from, away

-ac, -ic

pertaining to

acr- (o)

extremities (arms and legs)

ad-

to, toward, near

aden- (o)

gland, glandular

adren- (o)

adrenal gland

aer- (o)

air

-al

like, similar, pertaining to

alba-, albi-

white

alges- (i, ia)

pain

-algia

pain

ambi-

both, both sides

an- (o, us)

anus (opening to rectum)

andr- (o)

man, male

angi- (o)

vessel

ankyl-

crooked, looped, immoveable, fixed

ante- (ro)

before, in front of, ahead of

anti-

against

append- (i, o)

appendix

arter- (io)

artery

arthr- (o)

joint

-ase

enzyme

-asis

condition of

-asthenia

weakness, lack of strength

ather- (o)

fatty, lipid

audi- (o)

sound, hearing

aur-

ear

auto-

self

bi- (s)

twice, double, both

bio-

life

-blast

germ/embryonic cell

blephar- (o)

eyelid

brachy-

short

brady-

slow

bronch- (i, o)

air tubes in lungs

bucc- (a, o)

cheek

calc- (i)

Calcium

calc- (u, ulus)

stone

carcin- (o)

cancer, malignancy

cardi- (a, o)

pertaining to the heart

carp- (o)

wrist

-cele, -coele

swelling, tumor, cavity, hernia

cent- (i)

one hundred

-centesis

surgical puncture to remove fluid

cephal- (o)

head, pertaining to head

cerebro-

brain

cervic- (o)

neck

cheil- (o)

lip

chem- (o)

drug, chemical

chlor- (o)

green

chol- (e, o)

bile, gallbladder

chond- (i, r, ri)

cartilage

chrom- (a, at, o)

color

-cide

causing death

circum-

around, about

-cise

cut

co- (n)

with, together

-coccus

round

col- (in, o)

colon, bowel, large intestine

colp- (i, o)

vagina

contra-

against, counter

cost- (a, i, o)

rib

crani- (o)

skull

-crine

secrete

cryo-

cold

crypt- (o)

hidden, obscure

cut- (an)

skin

cyan- (o)

blue

cyst- (i, o)

bladder, bag, sac

cyt- (e, o)

cell

dacry- (o)

tear, tear duct

dactyl- (o)

finger, toe

dec- (a, i)

ten

dent- (i, o)

tooth

derm- (a, at, o)

pertaining to the skin

-desis

surgical union or fixation

dextr- (i, o)

to the right (dextro/ocular: right eye)

di- (plo)

double, twice

dia-

through, between, part

dis- (ti, to)

separation, away from

dors- (i, o)

to the back, back

duoden- (o)

duodenum (first part of small intestine)

dys-

bad, painful, difficult

e- (c)

without

ec- (ti, to)

outside, external

-ectasis

dilation, expansion, stretching

-ectomy

surgical removal

electr- (o)

electricity

-emesis

vomit

-emia

blood

encephal- (o)

brain

endo-

within, innermost

enter- (i, o)

intestine

epi-

above, upon, over

erythro-

red

-esis

condition of

-esthesia

sensation, perception, feel

eu-

well, easy, normal

ex- (o)

outside of, beyond