Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Medical Terminology

Prefixes, Suffixes and Root Words

(o)logist specialist
(o)logy study of
(o)stomy creating a new or artificial opening
(o)tomy incision into
(r)rhagia hemorrhage
(r)rhaphy suture of
(r)rhea discharge; flow
(r)rhexis rupture
a- no; not; without
ab- away from
abdomin/o abdomen
-ac pertaining to
acid/o sour; bitter
acoust/o hearing
acr/o extremities
aden/o gland
adenoid/o adenoid
adip/o fat
adren/o adrenal glands
adrenal/o adrenal glands
agglutin/o to clump
-al pertaining to
-algia pain
alveol/o alveolus
amni/o amnion
amnion/o amnion
an- no; not; without
an/o anus
ana- no; not; without
andr/o male; man
aneurysm/o aneurysm
angi/o vessel
ankyl/o stiff
ante- before
anter/o front
anti- against
antrac/o coal
append/o appendix
appendic/o appendix
aque/o watery
arachn/o spider
arter/o artery
arteri/o artery
arteriol/o arteriole
arthr/o joint
articul/o joint
-ary pertaining to
-asthenia without feeling or sensation
astr- star
atel/o incomplete
ather/o fat; fatty plaque; fatty
audi/o hearing; sound
auto- self
balan/o glans penis
bas/o base
bi- two; double; both
bil/i bile; gall
-blast immature; embryonic
blast/o immature
blephar/o eyelid
brady- slow
bronch/o; bronch/I bronchus
bronchiol/o bronchiole
bucc/o cheek
burs/o bursa; sac
calc/i calcium
-capnia carbon dioxide
carcin- cancer; malignant
cardi/o heart
carp/o wrist bones
cec/o cecum
ceil/o abdomen
-cele hernia; protrusion
celi/o abdomen
-centesis surgical puncture to remove fluid
cephal/o head
cerebell/o cerebellum
cerebr/o cerebrum
cervic/o cervix
cheil/o lips
chol/e bile; gall
cholangi/o bile duct
cholecyst/o gallblader
choledoch/o common bile duct
chondr/o cartilate
chori/o chorion
-clasia surgical breaking
-clasis surgical breaking
clavicul/o clavicle; collarbone
coagul/o clotting
coccyg/o coccyx; tailbone
cochle/o cochlea
col/o colon
colon/o colon
colp/o vagina
coni/o dust
conjunctiv/o conjunctiva
contra- against; opposite
cor/o heart
corne/o cornea
coron/o heart
cortic/o cortex
cost/o rib
crani/o cranium; skull
-crine to secrete
-crit to separate
cry/o cold
crypt/o hidden
-cusia hearing
-cusis hearing
cut/o skin
cutane/o skin
cyan/o blue; bluish
cyst/o bladder; sac; urinary bladder
cyt/o cell
-cytosis conditon of cells
dacry/o tears
dacryocyst/o tear sac
dendr/o branching
dermat/o skin
dermo/o skin
-desis binding; fixation
dipl/o two; double
dips/o thirst
dors/o back
duoden/o duodenum
dura- hard
-dynia pain
dys- abnormal; painful; difficult
echo- sound
ect- outside; out
-ectasis stretching; dilation
-ectomy surgical removal; excision
electro/o electricty
embry/o embryo
-emesis vomiting
-emia blood condition
en- within; in; inward
encephal/o brain
endo- within; inner
endocrin/o endocrine
enter/o intestines
eosin/o rosy red; rosy
epi- above
epididym/o epididymis
epiglott/o epiglottis
epis/o vulva
eso- within; in; inward
esophag/o esophagus
eu- same
ex- out; outward
fasci/o fascia; fibrous tissue
femor/o femur; thighbone
fet/o; fet/I fetus
fibr/o fiber; fibrous tissue
fibul/o fibula; outer lower leg bone
fund/o fundus
gastr/o stomach
-gen producing; forming
-genesis producing; forming
-genic producing; forming
gingiv/o gums
glauc/o silver; gray
gli/o neuroglia; nerve cell
-globin protein
-globulin protein
glomerul/o glomerulus
gloss/o tongue
gluc/o glucose; sugar; sweet
glyc/o glucose; sugar; sweet
gonad/o sex glands
-gram record; picture; x-ray film
granul/o granules
-graph instrument for recording
-graphy process of recording
gravid/o pregnancy
gyn/o woman
gynec/o woman
hem/o blood
hemat/o blood
hemi- half
hepat/o liver
hidr/o sweat
hist/o tissue
humer/o humerus; upper arm bone
hydr/o water; fluid
hyper- above; excessive
hypo- deficeint; below
hyster/o uterus
-ia condition; abnormal condition
-iac pertaining to
-ic pertaining to
ile/o ileum
ili/o ilium; pelvic bone
immun/o protection
infra- below; inferior
inguin/o groin
inter- between
intra- within
ir/o iris
irid/o iris
is/o equal
ischi/o ischium; pelvic bone
iso- same; equal
-itis inflammation
jejun/o jejunum
kal/i potassium
kary/o nucleus
kerat/o cornea; horny tissue; hard
ket/o ketone bodies
-kinesia movement
kyph/o humpback
labyrinth/o inner ear; labyrinth
lacrim/o tears
lact/o milk
lamin/o lamina; thin flat plate or layer
lapar/o abdominal wall
laryng/o larynx
later/o side; away from the midline
leiomy/o smooth muscle
leuk/o white
ligament/o ligament
lingu/o tongue
lip/o fat
lip/o fat
lith/o stone
lord/o swayback
lumb/o lower back; loin
lymph/o lymph
lymphaden/o lymph gland
lymphangi/o lymph vessel
-lysis destruction; breakdown
-lytic destruction; breakdown
macro- large
mal- bad; poor; abnormal
-malacia softening
mamm/o breast
mandibul/o mandible; lower jawbone
mast/o breast
maxill/o maxilla; upper jawbone
meat/o meatus; opening
medi/o middle
megaly enlarged; enlargement
melan/o black
men/o menses; menstruation
mening/o meninges
meta- change; after; beyond
metacarp/o hand bones
metatars/o foot bones
-meter instrument ot measure
metr/I; metr/o uterus
-metry measuring; to measure
micro- small
mono- one
morph/o form; shape
muc/o mucus
multi- many
my/o muscle
myc/o fungus
myctal/o night
myel/o bone marrrow; spinal cord
myring/o eardrum
nas/o nose
nat/o birth
natr/o sodium
neo- new
nephr/o kidney
neur/o nerve
noct/o night
non- not
nucle/o nucleus
nulli- none
ocul/o eye
-oid like; resembling
olig/o few; diminished
-oma tumor
onych/o nail
oophor/o ovary
ophthalm/o eye
-opia vision
opt/o vision; eye
or/o mouth
orch/o testis; testicle
orchi/o testis; testicle
orchid/o testis
orth/o straight
-osis condition; abnormal condition
oste/o bone
ot/o ear
-ous pertaining to
ovari/o ovary
ox/i oxygen
oxy- sharp; quick
pachy/o thick
palpebr/o eyelid
pan- all
pancreat/o pancreas
par/o bear; give birth to; labor; childbirth
para- beside; around
-paresis partial paralysis
part/o bear
patell/o patella; kneecap
-pathy disease; illness
pector/o chest
pelv/i pelvis
-penia deficiency; decreased number
-pepsia digestion
per- through
peri- around; surrounding
perine/o perineum
peritone/o peritoneum
-pexy surgical fixation
phac/o lens
-phagia eating; swallowing
phalang/o finger and toe bones
pharyng/o pharynx
-philia attraction to
phleb/o vein
-phobia abnormal fear
-phonia sound; voice
-phoresis carrying; transmission
-phoria feeling; mental state
phot/o light
phren/o diaphragm
pil/o hair
-plasty surgical repair
-plegia paralysis
pleur/o pleura
Plural of a ae
Plural of en ina
Plural of ex or ix ices
Plural of ies ietes
Plural of is es or ides
Plural of nx nges
Plural of on a
Plural of um a
Plural of us i
-pnea breathing
pneum/o lung; air
-poiesis formation; production of
poikil/o varied; irregular
poly- many; excessive
polyp/o polyp
post- after
poster/o back
pre- before; in front of
presby- old
primi- first; one
proct/o rectum
prostat/o prostate gland
proxim/o near
-ptosis drooping; sagging
-ptysis spitting up
pub/i pubis
pub/o pubis; pelvic bone
puerper/o childbirth
pulmon/o lungs
pupill/o pupil
py/o pus
pyel/o renal pelvis
quadr/I four
radi/o radius; outer lower arm bone
rect/o rectum
ren/o kidney
retin/o retina
retro- backard; behind; upward
rhabdomy/o skeletal muscle; striated muscle
rhin/o nose
rhytid/o wrinkles
salping/o fallopian tubes; oviducts
sarc/o flesh
scapula/o scapula; shoulder blade
scler/o hard; sclera
-sclerosis hardening
scoli/o crooked; bent
-scope instrument for viewing
-scopy visualization with a scope
seb/o sebum
semi- half
semin/i semen
sial/o salivary gland; saliva
sigmoid/o sigmoid colon
sinus/o sinus
somat/o body
-somnia sleep
-spasm contraction; twitching
sperm/o sperm; spermatic cord
spermat/o sperm; spermatic cord
spher/o sphere; round
sphygm/o pulse
spin/o spine
spir/o breathe
splen/o spleen
spondyl/o vertebra; vertebral column
squam/o scale
staped/o stapes; middle ear bone
-stasis control; stop; stopping or controlling
-stenosis narrowing
stern/o sternum; breastbone
steth/o chest
stomat/o mouth
sub- under; below; beneath
sud/o sweat
sudor/o sweat
super- above; over; excess
supra- above; on top of
sym- with; association
syn- together; with; union
tachy- fast
tars/o ankle bones
ten/o tendon
tend/o tendon
tendin/o tendon
tenosynov/o tendon sheath
test/o testis; testicle
testicul/o testis
thec/o sheath
-therapy treatment
thorac/o chest
-thorax chest; pleural cavity
thromb/o clot
thym/o thymus gland
thyr/o thyroid gland
thyroid/o thyroid gland
-tocia labor; birth
-tome cutting instrument
-tonia muscle tone
tonsill/o tonsils
toxic/o poison
trache/o trachea
-tresia opening
tri- three
trich/o hair
-tripsy crushing
-trophy growth; development
-tropia to turn; turning
-tropin stimulating effect of a hormone
-tropion to turn; turning
tympan/o eardrum
umbilic/o navel
ungu/o nail
uni- one
ur/o urine; urinary system
ureter/o ureter
urethr/o urethra
-uria urine; urination
uter/o uterus
uve/o uvea
vagin/o vagina
vas/o vessel; vas deferens
ven/o vein
ventr/o front side; belly
ventricul/o ventricle
-version to turn
vertebr/o vertebra
vesic/o urinary bladder
viscer/o internal organs
vitre/o glassy; jelly-like
vulv/o vulva
xanth/o yellow
xer/o dry
Created by: ROSSMIBOA
Popular Miscellaneous sets




Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards