This document contains prefixes used in medical terminology to describe parts and functions of the body, conditions, processes, and other medical concepts. Many prefixes are derived from Greek and Latin and relate to locations, quantities, conditions and other descriptors. Over 200 prefixes are defined with short explanations of their meaning in medical contexts.
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Prefix suffix
1. a-, an- not, without, lacking, deficient
centi- hudredth
epi- upon, above, over
ab- away from, out from
centr- center
erythro- red
able capable of
cephal- head
escent becoming
ac- to, toward
cerat- horn
eso- inward, within, inner
acou-, acous- hear
cerebr- brain
escent becoming
ad- to, toward
cervic- neck
erre wander, go astray
aden- gland
chel- claw
eu- well, good, true, normal
adip- fat
chem- dealing with chemicals
eury- widen
aero- air
chir- hand
ex- out of, away from
af- toward
chlor- green
extra- beyond, outside
agri- field, soil
chondr- cartilage
ferro- iron
alb- white
chrom-, -chrome color
fibr- fiber, thread
alg-, -algia pain
chron- time
fid, fiss split, divide
alto- high
chyme juice
-flect, -flex bend
ambi- both
-cid-, -cis- cut, kill, fall
flor- flower
ameb- change, alternation
circa-, circum- around, about
flu-,fluct-,flux flow
amni- fetal membrane
cirru- hairlike curls
foli- leaf
amphi-, ampho- both
co- with, together
fract- break
amyl- starch
cocc- seed, berry
gam marriage
ana- up, back, again
coel- hollow
gastr- stomach
andro- man, masculine
coll- glue
gen producer, origin
anemo- wind
coni- cone
geo- land, earth
ang- choke, feel pain
contra- against
-gen, -gine producer, former
angi- blood, vessel, duct
corp- body
gloss- tongue
ante- before, ahead of time
cort-, cortic- outer layer
gluc-, glyc- sweet, sugar
anter- front
cosmo- world, order, form
gon angle, corner
antho- flower
cotyl- cup
glut- buttock
anti- against, opposite
counter- against
grad step
antrhopo- man, human
crani- skull
gram, graph record, writing
-ap-, -aph- touch
cresc-, cret- begin to grow
graph writing
apo-, ap- away from
crypt- hidden, covered
gnath- jaw
aqu- water
-cul-, -cule small, diminutive
grav- heavy
archaeo- primitive, ancient
cumul- heaped
gymno- naked, bare
-ary, -arium denotes a place for something
cuti- skin
gyn- female
arteri- artery
cyan- blue
gyr- ring, circle, spiral
arthr- joint, articulation
cycle ring, circle
-hal-, -hale breathe, breath
ase names for enzyme
cyst sac or pouch
habit live
asis, asia- state of
cyt-, -cyte cell, hollow container
halo, hale- salt
aster-, astr- star
dactyl- finger
hapl- simple, single
anther- fatty deposit
de- away from, down
hector- hundred
atmo- vapor
deca- ten
hem- blood
audi- hear
deci- tenth
hemi- half
aur- ear
deliquesc- become fluid
hepar-, hepat- liver
auto- self
demi- half
herb- grass, plants
bacter-, bactr- bacterium, stick, club
dendr- tree
hetero- different, other
barb- beard
dent- tooth
hex- six
baro- weight
derm- skin
hibern- winter
2. bath- depth, height
di-, dipl- (Latin) two, double
hidr- sweat
bene- well, good
di-, dia- (Greek) through, across, apart
hipp- horse
bi- (Latin) two twice
dia- (Latin) day
hist- tissue
bi-, bio- (Greek) life, living
digit- finger, toe
holo- entire, whole
brachi- arm
din- terrible
homo- (Latin) man, human
brachy- short
dis- apart, out
homo- (Greek) same, alike
brady- slow
dorm- sleep
hort- garden
branchi- fin
dors- back
hydr- water
brev- short
du-, duo- two
hygr- moist, wet
bronch- windpipe
duct lead
hyper- above, beyond over
cac-. bad
dur- hard
hyph- weaving, web
calor- heat
dynam- power
hyphno- sleep
capill- hair
dys- bad, abnormal, difficult
hypo- below, under, less
capit- head
ec- out of, away from
hyster- womb, uterus
carcin- cancer
echin- spiny, prickly
icthy
cardi- heart
eco- house, environment
ign- fire
carn- meat, flesh
ecto- outside of
in-, il-, im-, ir- not
carp- fruit
emia
in-, il-, im-, ir- to, toward, into
carpal- wrist
ende-, -ende swelling
inter- between
cata- breakdown, downward
en-, endo-, ent- in, into, within
in- very, thoroughly
caud- tail
encephal- brain
infra- below, beneath
cen-, cene- now, recent
endo within, inside
inter- within, inside
cente- pierce
enter- intestine, gut
intra- between
entom- insects
ion, -sion act of doing
3. ist a person who practices
opthalm- eye
roto- wheel
iso- equal, same
opt- eye
rubr- red
juxta- near
orb- circle, round, ring
sacchar- sugar
kel- tumor, swelling
-orium, -ory place for something
sapr- rotten
kerat- horn
ornith- bird
sarc- flesh
kilo- thousand
orth- straight, correct, right
schis-, schiz- split, divide
kine- move
oscu- mouth
scler- hard
lachry- tear
oste, osse- bone
scope for viewing
lact- milk
oto- ear
-scribe, -script write
lat- side
ov- egg
semi- half, partly
leio- smooth
oxy- sharp, acid, oxygen
sept- partition, seven
less without
pachy- thick
septic infection
leuc-, leuk- white, bright, light
paleo- old, ancient
serrate- saw-edged
lign- wood
palm- broad, flat
sess- sit
lin- line
pan- all
sex- six
lingu- tongue
par-, para- beside, near, equal
sol- sun
lip- fat
path-, -pathy disease, suffering
solv- loosen, free
lith-, -lite stone, petrifying
pent- five
som-, somat-, -some body
loc- place
per- through
somn- sleep
log word, speech
peri- around
son- sound
lumin- light
permea- pas, go
spec-, spic- look at
-lys, -lyt, -lyst decompose, split, dissolve
phag- eat
sperm, spore seed
macr- large
pheno- show
spir-, -spire breathe
malac- soft
phil- love for
stat-, -stasis standing, placed, staying
malle- hammer
phobia fear of
stell- stars
mamm- breast
phon-, -phone sound
sten- narrow
marg- border, edge
-phore,, pher- bear, carry
stern- chest, breast
mast- breast
photo- light
stom-, -stome mouth
med- middle
phren- mind, diaphragm
strat- strat
meg- million, great
phyc- seaweed, algae
stria- stripe
mela-, melan- black, dark
phyl- related group
stereo- solid, 3-dimensional
mes- middle, half, intermediate
physic- nature, natural qualities
strict- drawn tight
met-, meta- between, along, after
phyt-, phyte platn
styl- pillar
-meter, -metry measurement
pino- drink
sub- under, below
micro- small, millionth
pinni- feather
super-, sur- over, above, on top
milli- thousandth
plan- roaming, wandering
sym-, syn- together
mis- wrong, incorrect
plasm-, -plast- form, formed into
tachy- quick, swift
mito- thread
platy- flat
tarso- ankle
mole- mass
pleur- lung, rib, side
tax- arrange, put in order
mono- one, single
pneumo- lungs, air
tele- far off, distant
mort- death
ply- many, several
telo- end
mot- move
pod, ped food
terr- earth, land
morph- shape, form
poly- many
tetr- four
multi- many
por- opening
thall- young shoot
mut- change
port- carry
-the-, -thes- put
4. my- muscle
post- after, behind
therm- heat
myc- fungus
pom fruit
toxico- poison
mycel- threadlike
pre- before, ahead of time
top- place
myriad- many
prim- first
trache- windpipe
moll- soft
pro- forward, favoring, before
trans- across
nas- nose
proto- first, primary
tri- three
necr- corpse, dead
pseudo- false, deceptive
trich- hair
nemat- thread
psych mind
tropic influencing
neo- new, recent
pter- having wings or fins
turb- whirl
neprho- kidney
pulmo- lung
-ul-, -ule diminutive, small
neur- nerve
puls- drive, push
ultra- beyond
noct-, nov- night
pyr- heat, fire
uni- one
-nom-, -nomy ordered knowledge, law
quadr- four
ur- urine
non- not
quin- five
vas- vessel
not- back
radi- ray
vect- carry
nuc- center
re- again, back
ven-, vent- come
ob- against
rect- right, correct
ventr- belly, underside
ocul- eye
ren- kidney
vig- strong
oct- eight
ret- net, made like a net
vit-, viv- life
odont- tooth
retro- backward, behind
volv- roll, wander
olf- smell
rhag-, -rrhage burst forth
vor devour, eat
oligo- few, little
rhe-, rrhea flow
xanth- yellow
oma- tumor
rhin- nose
xero- dry
omni- all
rhiz- root
zo-, -zoa animal
onc- mass, tumor
rhodo- rose
zyg- joined together