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Medical Terminology

Prefixes, Suffixes and Root Words

QuestionAnswer
(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
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