PREFIX, OR SUFFIX

BASIC MEANING

EXAMPLE

DEFINITION

a-

lacking, without

anemia

lacking blood

ab

away from

abduct

draw away from the median plane

ad-, ac-

toward

adduct

draw toward the median plane

-al

of the, pertaining to

anatomical

pertaining to anatomy

ante-

before

antebrachium

forearm

anti-

against, opposite

antibiotic

against the living

apo-

separation or derivation from

apophysis

a growth away or process

bi-

double, twice

bicuspid

having two cusps

cata-

down, negative

catabolism

destructive metabolism

-cle, -cula

diminutive

tubercle

small nodule

con-, com-

with, together

conjugate

linked together

contra-

against, opposite

contralateral

opposite side

dys-

bad, improper

dystrophy

abnormal growth

e-, ex-

away from, out of

efferent

carry away from

ecto-

outside

ectoderm

outer germ layer

endo-

inside

endocardium

inner layer of heart

epi-

upon

epicondyle

above the condyle

-ferent

carrying

afferent

carry toward

-form

in the form of

cuneiform

wedge-shaped

hyper-

above, beyond

hyperextension

extension beyond normal

hypo-

under, below

hypopharynx

below the pharynx

in-

in, on

incision

cutting in

in-

negative, not

involuntary

without the will

infra-

beneath

infraorbital

below the orbit

inter-

between

intervertebral

between vertebrae

intra-

within

intravenous

inside the vein

ipsi-

same, self

ipsilateral

same side

-issimus

superlative form; the most

longissimus

the longest

-itis

inflammation of

apppendicitis

inflammation of the appendix

mes-

middle

mesoderm

middle germ layer

meta-

after, beyond

metacarpal

after the wrist

neo-

new

neocortex

recently evolved cortex

-oid

resembling, shaped like

xiphoid

shaped like a sword

-ole, -olus

diminutive

malleolus

little hammer

-osis

process or state

diverticulosis

having diverticula

para-

beside

parotid

next to the ear

pod-

foot

arthropod

having jointed feet

post-

after

postnatal

after birth

pre-

before

preaortic

in front of the aorta

pro-

before

pronephron

before the final kidney

retro-

behind, backward

retrosternal

behind the sternum

sub-

beneath

subclavian

beneath the clavicle

super-

above

suprasternal

above the sternum

trans-

across, through

transurethral

through the urethra