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MEDICAL TERMINOLOGY

MEDICAL TERMINOLOGY - A THRU Z PREFIX LIST

QuestionAnswer
a- no; not; without
an- no; not; without
ab- away from
abdomin/o abdomen
-ac pertaining to
acanth/o spiny; thorny
acar/o mites
acetabul/o acetabulum (hip socket)
acous/o hearing
acoust/o hearing, sound
acr/o extremities; top; extreme point
acromi/o acromion (extension of shoulder bone)
actin/o light
acu/o sharp; severe; sudden
-acusis hearing
ad- toward
-ad toward
aden/o gland
adenoid/o adenoids
adip/o fat
adren/o adrenal gland
adrenal/o adrenal gland
aer/o air
af- toward
agglutin/o clumping; sticking together
-agogue producer, leader
-agon to assemble; gather
agora- marketplace
-agra excessive pain
-al pertaining to
alb/o white
albin/o white
albumin/o albumin (protein)
alges/o sensitivity to pain
-algesia sensitivity to pain
-algia pain
all/o other
alveol/o alveolus; air sac; small sac
ambi- around, on both sides, about
ambly/o dim; dull
amphi- around, on both sides
-amine nitrogen compound
ammon/o ammonium
amni/o amnion (sac surrounding the embryo)
amyl/o starch
an/o anus
-an pertaining to
ana- up; apart; backward; again; anew
andr/o male
aneurysm/o aneurysm (widening of blood vessel)
angi/o vessel (blood)
anis/o unequal
ankyl/o stiff
ante- before; forward
anter/o front
anthrac/o coal
anthr/o antrum of the stomach
anti- against
anxi/o uneasy; anxious
aort/o aorta (largest artery)
-apheresis removal
aphth/o ulcer
apo- off; away
aponeur/o aponeurosis (type of tendon)
append/o appendix
appendic/o appendix
aque/o water
-ar pertaining to
arachn/o spider
-arche beginning
arsenic/o arsenic
arter/o artery
arteri/o artery
arteriol/o arteriole (small artery)
arthr/o joint
-arthria articulate (speak distinctly)
articul/o joint
-artresia closure, occlusion
atreto- closed, lacking an opening
-ary pertaining to
asbest/o asbestos
-ase enzyme
aspir/o removal
-assay to examine, analyze
-asthenia lack of strength
astr/o star, star-shaped
aque/o water
atel/o incomplete
ather/o plaque (fatty substance)
-ation process; condition
atri/o atrium (upper heart chamber)
atmo- steam, vapor
audi/o hearing
audit/o hearing
aur/o ear
auricul/o ear
auscult/o to listen
aut/o self; own
aut- self; own
auto- self; own
aux/o growth, acceleration
axill/o armpit
axi/o axis
azot/o urea; nitrogen
bacill/o bacilli (bacteria)
bacteri/o bacteria
balan/o glans penis
bar/o pressure; weight
bartholin/o Bartholin glands
bary- weight, pressure
-basia walking
bas/o base; opposite of acid
batho-, bathy- deep, depth
bi- two
bi/o life
bil/i bile; gall
bilirubin/o bilirubin
-blast embryonic; immature cell
-blastoma immature tumor (cells)
blenn/o mucus
blephar/o eyelid
bol/o cast; throw
-boulia will
brachi/o arm
brachy- short
brady- slow
brom/o bromine-containing compound, odor
bronch/o bronchial tube
bronchi/o bronchial tube
bronchiol/o bronchiole
bucc/o cheek
bunion/o bunion
burs/o bursa (sac of fluid near joints)
byssin/o cotton dust
caud/o tail; lower part of body
caus/o burn; burning
cauter/o heat; burn
cav/o, cavit/o hollow, cavity
cec/o cecum (first part of colon)
-cele hernia
celi/o belly; abdomen v
-centesis surgical puncture to remove fluid
centr/o center
cephal/o head
cerebell/o cerebellum (posterior part of the brain)
cerebr/o cerebrum (largest part of the brain)
cerumin/o cerumen
cervic/o neck; cervix (neck of uterus)
-chalasia relaxation
-chalasis relaxation
cheil/o lip
chem/o drug; chemical
-chezia defecation; elimination of wastes
chir/o hand
chlor/o green
chlorhydr/o hydrochloric acid
chol/e bile; gall
cholangi/o bile; vessel
cholecyst/o gallbladder
choledoch/o common bile duct
cholesterol/o cholesterol
chondr/o cartilage
chore/o dance
chori/o chorion (outermost membrane of the fetus)
chorion/o chorion
choroid/o choroid layer of eye
-chroia skin coloration
chrom/o color
chron/o time
chrys/o gold
chyl/o chyle
chym/o to pour
cib/o meal
-cide killing
-cidal pertaining to killing
cine/o movement
circum- around
cirrh/o orange-yellow
cis/o to cut
-clasis to break
-clast to break
claustr/o enclosed space
clavicul/o clavicle (collar bone)
cleid/o clavicle
clin/o to slope, bend
-clysis irrigation; washing
coagul/o coagulation (clotting)
-coccus berry-shaped bacterium
coccyg/o coccyx (tail bone)
cochle/o cochlea (inner part of ear)
-coimesis sleeping
col/o colon (large intestine)
coll/a glue
colon/o colon (large intestine)
colp/o vagina
comat/o deep sleep
comi/o to care for
-coma deep sleep
con- together; with
coni/o dust
conjunctiv/o conjuctiva (lines of eyelids)
consci/o awareness, aware
constrict/o narrowing, binding
-constriction narrowing
contra- against; opposite
contus/o to bruise
cor/o pupil
core/o pupil
corne/o cornea
"coron/o crown or circle (example: Coron/ary arteries encircle
the heart)"
corpor/o body
cortic/o cortex, outer region
cost/o rib
cox/o hip
crani/o skull
cras/o mixture; temperament
crin/o secrete
-crine to secrete; separate
-crit to separate
critic/o crisis, dangerous
cry/o cold
crypt/o hidden
cubit/o elbow, forearm
culd/o cul-de-sac
cupr/o copper
-cusis hearing
cutane/o skin
cyan/o blue
cycl/o ciliary body of eye; cycle; circle
-cyesis pregnancy
cyst/o urinary bladder; cyst; sac of fluid
cyt/o cell
-cyte cell
-cytosis condition of cells; slight increase in numbers
dacry/o tear
dacryoaden/o tear gland
dacryocyst/o tear sac; lacriman sac
dactyl/o fingers; toes
de- lack of; down; less; removal of
dem/o people
dent/i tooth
derm/o skin
-derma skin
dermat/o skin
desicc/o drying
-desis to bind; tie together
dextr/o right
dia- complete; through
diaphor/o sweat
-dilation widening; stretching; expanding
dilat/o to enlarge, expand
dipl/o double
dips/o thirst
dis- apart, to separate
dist/o far; distant
dolich/o long
dolor/o pain
dors/o back (of body)
dorsi- back
-dote to give
-drome to run
duct/o to lead; carry
duoden/o duodenum
dur/o dura mater
dynam/o power, strength
-dynia pain
dys- bad: painful: difficult: abnormal
encephal/o brain
end- in; within
endo- in; within
enter/o intestines (usually small intestine)
eosin/o red; rosy; dawn-colored
epi- above; upon; on
epididym/o epididymis
epiglott/o epiglottis
episi/o vulva
epitheli/o skin; epithelium
equi- equality, equal
equin/o horse
-er one who
erg/o work
erethism/o irritation
erythem/o flushed; redness
erythr/o red
eschar/o scab
-esis action; condition; state of
eso- inward
esophag/o esophagus
esthes/o nervous sensation
esthesi/o nervous sensation
-esthesia nervous sensation
estr/o female
ethm/o sieve
eti/o cause
eu- good; normal
-eurysm widening
ex- out; away from
exanthemat/o rash
exo- out; away from
extra- outside
faci/o face
-facient to cause, make happen
fasci/o fascia (membrane supporting muscles)
febr/i fever
femor/o femur (thigh bone)
-ferent to carry
ferr/i, ferr/o iron
fet/o fetus
fibr/o fiber
fibros/o fibrous connective tissue
fibul/o fibula
-fication process of making
-fida split
fil/i, fil/o, filament/o thread, threadlike
five pent-, penta-, quinque-
flav/o yellow
flex/o to bend
fluor/o luminous
follicul/o follicle; small sac
fore- before, in front
-form resembling; in the shape of
four quadri, tetra-
fovea/o small pit or depression
frig/o, frigid/o cold
funct/o performance
fung/i fungus; mushroom (organism lacking chlorophyll)
furc/o forking; branching
fusc/o dark brown
-fusion to pour; to come together
galact/o milk
ganglion/o ganglion; collection of nerve cell bodies
gastr/o stomach
gel/o to freeze, congeal
gemell/o twins
-gen substance that produces
-genesis producing; forming
-genic produced by or in
geni/o chin
genit/o reproduction
ge/o earth, soil
ger/o old age
geront/o old age
gest/o pregnancy
gester/o pregnancy
gigant/o huge
gingiv/o gum
glauc/o gray
gli/o glial cells; neuroglial cells
-globin protein
-globulin protein
glomerul/o glomerulus
gloss/o tongue
gluc/o glucose; sugar
glyc/o glucose; sugar
glycogen/o glycogen; animal starch
glycos/o glucose; sugar
gnath/o jaw
gnos/o knowledge
gon/o seed
gonad/o sex glands
goni/o angle
-grade to go
-gram record
granul/o granule(s)
-graph instrument for recording
graph/o writing
-graphy process of recording
gravid/o pregnancy
-gravida pregnant woman
gynec/o woman; female
gyr/o circle, spiral
half demi, hemi, semi
hallucin/o hallucination
hapl/o simple, single
helc/o ulcer
heli/o sun
-helminth worm
hem/o blood
hemat/o blood
hemi- half
hemoglobin/o hemoglobin
hepat/o liver
heredo- heredity
herni/o hernia
-hexia habit
hidr/o sweat
hirsut/o hairy
hirund/i leech
hist/o tissue
histi/o tissue
holo- entire, complete
home/o sameness; unchanging; constant
hormon/o hormone
hymen/o hymen
humer/o humerus
hydr/o water
hygr/o moisture
hyper- above; excessive
hypn/o sleep
hypo- deficient; below; under; less than normal
hypophys/o pituitary gland
hypothalam/o hypothalamus
hypsi- high
hyster/o uterus; womb
-ia condition
-iac pertaining to
-iasis abnormal condition
iatr/o physician; treatment
-ic pertaining to
-ical pertaining to
ichthy/o dry; scaly
-ician specialist
-icle small
ide/o idea, mental images
idi/o unknown; individual; distinct
ile/o ileum
ili/o ilium
immun/o immune; protection; safe
in- in; into; not
-in a substance, chemical, chemical compound
-ine a substance, chemical, chemical compound
-ine pertaining to
infra- below; inferior to; beneath
inguin/o groin
insulin/o insulin (pancreatic hormone)
inter- between
intra- within; into
iod/o iodine
ion/o ion; to wander
-ion process
-ior pertaining to
ipsi- same
ir- in
ir/o iris (colored portion of eye)
irid/o iris (colored portion of eye)
is/o same; equal
isch/o to hold back; back
ischi/o ischium (part of hip bone)
-ism process; condition
-ist specialist
ithy- erect, straight
-itis inflammation
-ium structure; tissue
ixod/i ticks
juxta- near
jaund/o yellow
jejun/o jejunum
kal/i potassium
kary/o nucleus
kel/o tumor, fibrous growth
kerat/o cornea; hard, horny tissue
keraun/o lightning
kern- nucleus (collection of nerve cells in the brain)
ket/o ketones; acetones
keton/o ketones; acetones
kines/o movement
kinesi/o movement
-kinesis movement
klept/o to steal
koil/o hollow, concave, depressed
kraur/o dry
kym/o waves
kyph/o humpback
-labile unstable, perishable
labi/o lip
lacrim/o tear; tear duct; lacrimal duct
lact/o milk
lal/o, -lalia speech, babble
lamin/o lamina
lampr/o clear
lapar/o abdominal wall; abdomen
-lapse to slide, fall, sag
laryng/o larynx (voice box)
later/o side
lecith/o yolk, ovum
lei/o smooth
leiomy/o smooth (visceral) muscle
-lemma sheath; covering
lepid/o plakes, scales
lepr/o leprosy
-lepsy seizure
lept/o thin, slender
-leptic to seize, take hold of
leth/o death
leuk/o white
levo- left
lex/o word; phrase
-lexia word; phrase
lien/o spleen
ligament/o ligament
ligat/o binding, tying
lim/o hunger
lingu/o tongue
lip/o fat; lipid
-lipsis omit, fail
-listhesis slippage e.g. vertebral slippage conditions
lith/o stone, calculus
-(o)lithiasis Compound suffix:  condition or presence of stones
-lithotomy incision (for removal) of a stone
lob/o lobe
logad/o whites of the eyes
-logist specialist
log/o study
-logy study (process of)
loph/o ridge
lord/o curve; swayback
lox/o oblique, slanting
-lucent to shine
lumb/o lower back; loin
lumin/o light
lute/o yellow
lux/o to slide
lymph/o lymph
ly/o to dissolve, loosen
lymphaden/o limph gland (node)
lymphangi/o lymph vessel
-lysis breakdown; separation; destruction; loosening
-lytic to reduce, destroy, separate; breakdown
macro- large
mal- bad
-malacia softening
malleol/o malleolus
mamm/o breast
mandibul/o mandible (lower jaw bone)
-mania obsessive preoccupation
-masesis mastication, chewing
mast/o breast
mastoid/o mastoid process (behind the ear)
maxill/o maxilla (upper jaw bone)
meat/o meatus (opening)
medi/o middle
medic/o to heal, healing
mediastin/o mediastinum
medi/o middle
medull/o medulla (inner section); middle; soft, marrow
mega- large
-megaly enlargement
melan/o black
mel/o limb, limbs
men/o menses; menstruation
mening/o meninges (membranes covering the spinal cord & brain)
meningi/o meninges
ment/o mind; chin
mer/o part
meso- middle
meta- change; beyond
metacarp/o metacarpals (hand bones)
metatars/o metatarsals (foot bones)
-meter measure
method/o procedure, technique
metr/o uterus (womb); measure
metri/o uterus (womb)
-metry process of measuring
mi/o smaller; less
micro- small
-mimesis imitation, simulation
-mimetic mimic; copy
-mission to send
-mnesia memory
mogi- difficult
mon/o one; single
morph/o shape; form
mort/o death
-mortem death
-motor movement
muc/o mucus
mucos/o mucous membrane (mucosa)
multi- many
muscul/o muscle
mut/a genetic change
mutagen/o causing genetic change
my/o muscle
myc/o fungus
mydr/o wide
myel/o spinal cord; bone marrow
myocardi/o myocardium (heart muscle)
myom/o muscle tumor
myos/o muscle
myring/o tympanic membrane (eardrum)
myx/o mucus
narc/o numbness; stupor; sleep
nas/o nose
nat/i birth
natr/o sodium
necr/o death
nect/o to bind, tie, connect
neo- new
nephr/o kidney
neur/o nerve
neutr/o neither; neutral; neutrophil
nid/o nest
nine noni-
noci- to cause harm, injury or pain
noct/o night
nod/o knot
-noia mind, will
nom/o custom, law
nomen- name
norm/o rule; order
nos/o disease
nucle/o nucleus
nulli- none
nutri/o, nutrit/o to nourish
nyct/o night
obstetr/o pregnancy; birth
octa-, octi- eight
ocul/o eye
odont/o tooth
odyn/o pain
-oid resembling; derived from
-ole little; small
ole/o oil
olecran/o olecranon (elbow)
olig/o scanty
om/o shoulder
-oma tumor; mass; fluid collection
omphal/o umbilicus (navel)
onc/o tumor
-one hormone
one mono, uni
one and a half bi, di
onych/o nail (of fingers or toes)
o/o egg
oophor/o ovary
-opaque obscure
ophry/o eyebrow
ophthalm/o eye
-opia vision condition
opisth/o backward, behind
-opsia vision condition
-opsy view of
opt/o eye; vision
optic/o eye; vision
-or one who
or/o mouth
orch/o testis
orchi/o testis
orchid/o testis
-orexia appetite
organ/o organ
orth/o straight
osche/o scrotum
-ose full of; pertaining to; sugar
-osis condition, usually abnormal
-osmia smell
osphresi/o sense of smell
ossicul/o ossicle (small bone)
oste/o bone
-ostosis condition of bone
ot/o ear
-otia ear condition
-ous pertaining to
ov/o egg
ovari/o ovary
ovul/o egg
ox/o oxygen
-oxia oxygen
oxy- swift; sharpp; acid
oxysm/o sudden
pachy- heavy; thick
-pagus conjoined twins
palat/o palate (roof of mouth)
pale/o old
pali- recurrence, repetition
palliat/o to soothe, relieve
palpebr/o eyelid
palp/o, palpat/o to touch gently
palpit/o flutter, throbbing
pan- all
pancreat/o pancreas
pant/o all, whole
papill/o nipple-like; optic disc
papul/o papule, pimple
par- other than; abnormal
para- near; beside; abnormal; apart from; along the side of
-para to bear, bring forth (live births)
-parous to bear, bring forth
parasit/o parasite
parathyroid/o parathyroid glands
-paresis weakness
-pareunia sexual intercourse
-partum birth; labor
patell/a patella
patell/o patela
path/o disease
-pathy disease; emotion
pector/o chest
pedicul/o louse
ped/o child; foot
pelv/i pelvis; hip region
pelv/o pelvis; hip region
pend/o to hang
-penia deficiency
-pepsia digestion
per- through
percuss/o to tap
peri- surrounding
perine/o perineum
peritone/o peritoneum
per/o deformed, maimed
perone/o fibula
perspir/o breathe through
petr/o stone, petrous region of temporal bone
-pexy fixation; to put in place
phac/o lens of eye
phag/o eat; swallow
-phage eat; swallow
-phagia eating; swallowing
phak/o lens of eye
phalang/o phalanges (of fingers and toes)
phall/o penis
phaner/o visible, apparent
pharmac/o drug
pharmaceut/o drug
pharyng/o throat (pharynx)
phas/o speech
-phasia speech
phe/o dusky; dark
-pheresis removal
phil/o like; love; attraction to
-phil attraction for
-philia attraction for
phim/o muzzle
phleb/o vein
phob/o fear
-phobia fear
phon/o voice; sound
-phonia voice; sound
-phor/o to bear
-phoresis carrying; transmission
-phoria to bear, carry; feeling (mental state)
phosphat/o phosphate
phot/o light
phren/o diaphragm; mind
-phthisis wasting away
-phylaxis protection
phyl/o race, species, type
physi/o nature; function
physic/o physical, natural
-physis to grow
phys/o air, gas
phyt/o plant
-phyte plant
picr/o bitter
pies/i, -piesis pressure
pil/o hair
pimel/o fat, fatty
pineal/o pineal gland
pin/o to drink
pituitar/o pituitary gland
-plakia plaque
plan/o flat, level, wandering
plant/o sole of the foot
plas/o development; formation
-plasia development; formation
-plasm formation; structure
-plastic pertaining to formation
-plasty surgical repair
platy- broad, flat
ple/o more; many
-plegia paralysis; palsy
-plegic paralysis; palsy
pleur/o pleura
plex/o plexus; network (of nerves)
-pnea breathing
pneum/o lung; air; gas
pneumon/o lung; air; gas
pod/o foot
-poiesis formation
-poietin substance that forms
poikil/o varied; irregular
pol/o extreme
polio- gray matter (of brain or spinal cord)
poly- many; much
polyp/o polyp; small growth
pont/o pons ( a part of the brain)
por/o, -pore opening, passageway
-porosis condition of pores (spaces)
-posia drinking
posit/o arrangement, place
post- after; behind
poster/o back (of body); behind
-prandial meal
-praxia action
pre- before; in front of
presby/o old age
primi- first
pro- before; forward
proct/o anus and rectum
pros- before; forward
pros/o forward, anterior
prosop/o face
prostat/o prostate gland
prot/o first
prote/o protein
proxim/o near
prurit/o itching
psamm/o sand, sand-like material
pseudo- false
psor/o itching
psych/o mind
psychr/o cold
-pterygium abnormality of the conjunctiva
-ptosis droop; sag; prolapse; protrude
ptyal/o saliva
-ptysis spitting
pub/o pubis (anterior part of hip bone)
pulmon/o lung
puls/o, pulsat/o to beat, beating
-puncture to pierce a surface
pupill/o pupil (dark center of eye)
purpur/i purple
purul/o pus
py/o pus
pycn/o thick, dense
pyel/o renal pelvis
pyl/e portal vein
pylor/o pylorus; pyloric sphincter
pyr/o fever; fire
pyret/o fever
pyrex/o fever
quadri- four, square
qual- quality, characteristic
quant- how much
quasi- to some degree, as if
quart- fourth, four
quer- to seek, search
quercin oak
quint- fifth, five
quota- how many
rachi/o spinal column; vertebrae
radi/o x-rays; radioactivity; radius (lateral lower arm bone)
radicul/o nerve root
re- back; again; backward
-receptor, -ceptor receiver
rect/o rectum
ren/o kidney
respir/o breath
resuscit/o to revive
reticul/o network
retin/o retina
retro- behind; back; backward
rhabd/o rod
rhabdomy/o striated (skeletal) muscle
rhe/o flow, current, stream
rheumat/o watery flow
rhin/o nose
rhiz/o root
rhod/o red, rosy
rhytid/o wrinkle
roentgen/o x-rays
rose/o rosy
rot/o, rotat/o turn, revolve
-rrhage bursting forth (of blood)
-rrhagia bursting forth (of blood)
-rrhaphy suture
-rrhea flow; discharge
-rrhexis rupture
rhythm/o rhythm
rubr/o, rubr/i red
sacchar/o sugar
sacr/o sacrum
salping/o fallopian tube; auditory (eustachian) tube
-salpinx fallopian tube; oviduct
sangu/i blood
sanit/a health
sapr/o rotten, decay
sarc/o flesh (connective tissue)
scapul/o scapula; shoulder blade
-schisis to split
schist/o split, cleft
schiz/o split
sinistr/o left
scint/i spark
scirrh/o hard
scler/o sclera (white of eye)
-sclerosis hardening
scolec/o worm
scoli/o crooked; bent
-scope instrument for visual examination
-scopy visual examination
scot/o darkness
seb/o sebum
sebace/o sebum
sect/o to cut
semi- half
semin/i semen; seed
-sepsis putrefaction
seps/o infection
sept/o partition
ser/o serum, serous
seven hepta-, sept-, septi-
sial/o saliva
sialaden/o salivary gland
sider/o iron
sigmoid/o sigmoid colon
silic/o glass
sinus/o sinus
-sis state of; condition
sit/o food
six hex-, hexa-, sex-
skelet/o skeleton
-sol solution
somat/o body
-some body
somn/o sleep
-somnia sleep
son/o sound
-spadia to tear; cut
span/o scanty, scarce
-spasm sudden contraction of muscles
spectr/o image, spectrum
sperm/o spermatozoa; sperm cells
spermat/o spermatozoa; sperm cells
sphen/o wedge; sphenoid bone
spher/o globe-shaped; round
sphygm/o pulse
-sphyxia pulse
splanchn/o viscera (internal organs)
spin/o spine (backbone)
spir/o to breathe
splen/o spleen
spondyl/o vertebra (backbone)
squam/o scale
-stalsis contraction
staped/o stapes (middle ear bone)
staphyl/o clusters; uvula
-stabile stable, fixed
-stalsis contraction
staped/o stapes
-stasis to stop; control; place
-stat device/instrument for keeping something stationary
-static pertaining to stopping; controlling
steat/o fat; sebum
sten/o narrowed, constricted
-stenosis tightening; stricture
ster/o solid structure; steroid
stere/o solid; three-dimensional
stern/o sternum (breastbone)
steth/o chest
-sthenia strength
stich/o rows
stigmat/o mark, point
-stitial to set; pertaining to standing or positioned
stomat/o mouth
-stomia condition of the mouth
-stomy new opening (to form a mouth)
strept/o twisted chains
-stroma supporting tissue of an organ
styl/o pole or stake
sub- under; below
submaxill/o mandible (lower jaw bone)
succ/o juice
sud/o sweat
super- above, beyond
-suppression to stop
supra- above; upper
sym- together; with
symptom/o occurrence
syn- together; with
synaps/o, synapt/o point of contact, to join
syncop/o to cut off, cut short; faint
syndesm/o ligament
synov/o synovia; synovial membrane; sheath around a tendon
syring/o tube
system/o system
systol/o contraction
tachy- fast
tal/o talus
tars/o tarsus; hindfoot or ankle
tauto- identical, same
tax/o order; coordination
techn/o skill, art
tel/o complete
tele/o distant
temp/o, tempor/o period of time, the temples
ten deca-
ten/o tendon
tendin/o tendon
-tension pressure
tens/o stretched, strained
tephr/o gray (ashen)
terat/o monster; malformed fetus
test/o testis
tetan/o tetanus
tetra- four
thalam/o thalamus
thalass/o sea
thanat/o death
the/o put; place
thec/o sheath
thel/o nipple
therapeut/o treatment
-therapy treatment
therm/o heat
thorac/o chest
-thorax chest; pleural cavity
three tri-
thromb/o clot
-tropia to turn
thym/o thymus gland
-thymia mind (condition of)
-thymic pertaining to mind
thyr/o thyroid gland; sheild
thyroid/o thyroid gland
tibi/o tibia (shin bone)
-tic pertaining to
toc/o labor; birth
-tocia labor; birth (condition of)
-tocin labor; birth (a substance for)
tom/o to cut
-tome instrument to cut
-tomy process of cutting
ton/o tension
tone/o to stretch
tonsill/o tonsil
top/o place; position; location
torso twisted
tox/o poison
toxic/o poison
trache/o trachea (windpipe)
trans- across; through
traumat/o trauma, injury, wound
trem/o, tremul/o shaking, trembling
-tresia opening
tri- three
trich/o hair
trigon/o trigone (area within the bladder)
tri/o to sort out, sorting
-tripsy to crush
troph/o nourishment; development
-trophy nourishment; development (condition of)
-tropia to turn
-tropic turning
-tropin stimulate; act on
tub/o tube
tumesc/o, -tumescence swelling
tympan/o tympanic membrane (eardrum); middle ear
-type classification; picture
typhl/o cecum, blindness
-ule little; small
uln/o ulna (middle lower arm bone)
ul/o scar, scarring
ultra- beyond; excess
-um structure; tissue; thing
umbilic/o umbilicus (navel)
ungu/o nail
uni- one
uran/o palate
-uresis urination
ur/o urine; urinary tract
ureter/o ureter
urethr/o urethra
-uria urination; condition of urine
uric/o urine condition
urin/o urine
-us structure; thing
uter/o uterus (womb)
uve/o uvea, vascular layer of eye (iris, choroid, ciliary body)
uvul/o uvula
vaccin/o vaccine
vag/o vagus nerve
vagin/o vagina
valv/o valve
valvul/o valve
varic/o varicose veins
vas/o vessel; duct; vas deferens
vascul/o vessel (blood)
ven/o vein
ven/i vein
vener/o venereal (sexual contact)
ventil/o to aerate, oxygenate
ventr/o belly side of body
ventricul/o ventricle (of heart or brain)
venul/o venule (small vein)
verm/i worm
verruc/i wart
-verse to turn
-version to turn
vers/o, -verse turn, turning
vertebr/o vertebra (backbone)
vesic/o urinary bladder
vesicul/o seminal vesicle
vestibul/o vestibule of the inner ear
vir/o virus
viscer/o internal organs
vit/o life
vitr/o vitreous body (of the eye)
vitre/o glass
viv/o life
-volemia blood volume
volv/o, volut/o to roll
vulv/o vulva
-ward in the direction of
-where location  e.g. anywhere
-wise direction  e.g. clockwise
with- together, united
xanth/o yellow
xen/o stranger, foreigner
xer/o dry, dryness
xiph/o or xiphi- sword shaped
xylo- wood    e.g. xylum
xys- file, scrape
-y condition; process
yalos Glass
ydor Water
-yne ending for alkynes
yocto- prefix: one septillionth part of; the factor 10: yoctosecond
yoeides U-shaped
-yl suffix - a monovalent hydrocarbon radical e.g. ethyl
-ylene suffix - A bivalent organic radical
yper Above
ypo Under
ypsi High
ystera Uterus
zeo- boil
zinco- Pertaining to or containing the element zinc
zo/o animal life
zon- girdle, belt
zyg/o union, junction, pair, yoke, tied together
zym/o enzyme, ferment
-zyme enzyme
Created by: xchorok