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245 terms

Foreign Word Roots, Prefixes, Suffixes, and Combining Forms

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a- (avascular)
without
ab- (abduct)
from
-ac (cardiac)
pertaining to
acr- (acromegaly)
extremity
ad- (adduct)
to, toward
aden-, adeno- (adenoid)
gland
adip- (adipocytes)
fat
aer- (aerobic metabolism)
air
af- (afferent)
toward
-al (brachial)
pertaining to
alb- (albino)
white
-algia (neuralgia)
pain
allo- (allograft)
other
ana- (anaphase)
up, back
andro- (androgen)
male
angio- (angiogram)
vessel
ante- (antebrachial)
before
anti-, ant- (antibiotic)
against
apo- (apocrine)
from
arachn- (arachnoid)
spider
arter- (arterial)
artery
arthro- (arthroscopy)
joint
-asis, -asia (homeostasis)
state, condition
astro- (astrocyte)
star
atel- (atelectasis)
imperfect
aur- (auricle)
ear
auto- (autonomic)
self
baro- (baroreceptor)
pressure
bi- (bifurcate)
two
bio- (biology)
life
blast-, -blast (blastocyst)
precursor
brachi- (brachiocephalic)
arm
brachy- (brachydactyly)
short
brady- (bradycardia)
slow
bronch- (bronchial)
windpipe
carcin- (carcinoma)
cancer
cardi-, cardio-, -cardia (cardiac)
heart
-cele (blastocele)
tumor, hernia, or swelling
-centesis (thoracocentesis)
puncture
cephal- (brachiocephalic)
head
cerebr-, cerebro- (cerebrospinal fluid)
brain
cervic- (cervical vertebrae)
neck
chole- (cholecystitis)
bile
-chondrion (mitochondrion)
granule
chondro- (chondrocyte)
cartilage
chrom-, chromo- (chromatin)
color
circum- (circumduction)
around
'clast (osteoclast)
broken
coel-, -coel (coelom)
cavity
colo- (colonoscopy)
colon
contra- (contralateral)
against
corp- (corpuscle)
body
cortic- (corticospinal)
rind or bark
cost- (costal)
rib
cranio- (craniosacral)
skull
cribr- (cribriform)
sieve
-crine (endocrine)
to separate
cut- (cutaneous)
skin
cyan- (cyanosis)
blue
cyst-, -cyst (blastocyst)
sac
cyt- (cytology)
kyton, a hollow cell
de- (deactivation)
from, away
dendr- (dendrite)
tree
dent- (dentition)
teeth
derm- (dermatome)
skin
desmo- (desmosome)
band
di- (disaccharide)
twice
dia- (diameter)
through
digit- (digital)
a finger or toe
dipl- (diploid)
double
dis- (disability)
apart, away from
diure- (diuresis)
to urinate
dys- (dysmenorrhea)
painful
-ectasis (atelectasis)
expansion
ecto- (ectoderm)
outside
-ectomy (appendectomy)
excision
ef- (efferent)
away from
emmetro- (emmetropia)
in proper measure
encephalo- (encephalitis)
brain
end-, endo- (endometrium)
inside
entero- (enteric)
intestine
epi- (epimysium)
on
erythema- (erythematosis)
flushed (skin)
erythro- (erythrocyte)
red
ex- (exocytosis)
out, away from
extra- (extracellular)
outside of, beyond, in addition
ferr- (transferrin)
iron
fil- (filament)
thread
-form (fusiform)
shape
gastr- (gastrointestinal)
stomach
-gen, -genic (mutagen)
to produce
genicula- (geniculates)
kneelike structure
genio- (geniohyoid)
chin
gest- (gestation)
to bear
glosso-, -glossus (hypoglossal)
tongue
glyco- (glycogen)
sugar
-gram (myogram)
record
gran- (granulocyte)
grain
-graph, -graphia (electroencephalograph)
to write, record
gyne-, gyno- (gynecologist)
woman
hem-, hemato- (hemopoiesis)
blood
hemi- (hemisphere)
half
hepato- (hepatocyte)
liver
hetero- (heterozygous)
other
histo- (histology)
tissue
holo- (holocrine)
entire
homeo-, homo- (homeostasis)
same
hyal-, hyalo- (hyaline)
glass
hydro- (hydrolysis)
water
hyo- (hyoid bone)
U-shaped
hyper- (hyperpolarization)
above
hypo- (hypothyroid)
under
hyster- (hysterectomy)
uterus
-ia (insomnia)
state or condition
idi- (idiopathic)
one's own
ile- (ileocolic sphincter)
ileum
ili-, ilio- (iliac)
ilium
in- (inactivate)
in, within, or denoting negative effect
infra- (infraorbital)
beneath
inter- (interventricular)
between
intra- (intracapsular)
within
ipsi- (ipsilateral)
itself
iso- (isotonic)
equal
-itis (dermatitis)
inflammation
karyo- (megakaryocyte)
body
kerato- (keratin)
horn
kino-, -kinin (bradykinin)
to move
lact-, lacto-, -lactin (prolactin)
milk
lapar- (laparoscopy)
flank or loins
emma (plasmalemma)
husk
leuko- (leukocyte)
white
liga- (ligase)
to bind together
lip-, lipo- (lipoid)
fat
lith- (cholelithiasis)
stone
lyso-, -lysis, -lyze (hydrolysis)
dissolution
macr- (marcophage)
large
mal- (malabsorption)
abnormal
mamilla- (mamillary)
little breast
mast-, masto- (mastoid)
breast
mega- (megakaryocyte)
big
melan- (melanocyte)
black
men- (menstrual)
month
mero- (merocrine)
part
meso- (mesoderm)
middle
meta- (metaphase)
after, beyond
micr- (microscope)
small
mono- (monocyte)
single
morpho- (morphology)
form
multi- (multicellular)
much, many
-mural (intramural)
wall
myelo- (myeloblast)
marrow
myo- (myofilament)
muscle
narc- (narcotics)
to numb or deaden
nas- (nasolacrimal duct)
nose
natri- (natriuretic)
sodium
necr- (necrosis)
corpse
nephr- (nephron)
kidney
neuro-, neuro- (neruomuscular)
nerve
oculo- (oculomotor)
eye
odont- (odontoid process)
tooth
-oid (odontoid process)
form, resemblance
oligo- (oligopeptide)
little, few
-ology (physiology)
the study of
-oma (carcinoma)
swelling
onco- (oncology)
mass, tumor
oo- (oocyte)
egg
ophthalm- (ophthalmic nerve)
eye
-opia (myopia)
eye
orb- (orbicularis oris)
a circle
orchi- (orchiectomy)
testis
ortho- (orthopedist)
correct, straight
-osis (neurosis)
state, condition
osteon, osteo- (osteocyte)
bone
oto- (otolith)
ear
para- (paraplegia)
beyond
patho-, -path, -pathy (pathology)
disease
pedia- (pediatrician)
child
per- (percutaneous)
through, throughout
peri- (perineurium)
around
phag- (phagocyte)
to eat
-phasia (aphasia)
speech
-phil, -philia (hydrophilic)
love
phleb- (phlebitis)
a vein
-phobe, -phobia (hydrophobic)
fear
phot- (photoreceptor)
light
-phylaxis (prophylaxis)
a guard
physio- (physiology)
nature
-plasia (dysplasia)
formation
platy- (platysma)
flat
-plegia (paraplegia)
a blow, paralysis
-plexy (apoplexy)
to strike
pneum- (pneumotaxic center)
air
podo-, podo (podocyte)
foot
-poiesis (hemoiesis)
making
poly- (polysaccharide)
many
post- (postanal)
after
pre- (precapillary sphincter)
before
presby- (presbyopia)
old
pro- (prophase)
before
procty- (proctology)
anus
pterygo- (pterygoid)
wing
pulmo- (pulmonary)
lung
pulp- (pulpitis)
flesh
pyel- (pyelitis)
trough or pelvis
quadr- (quadriplegia)
one quarter
re- (reinfection)
back, again
retro- (retroperitoneal)
backward
rhin- (rhinitis)
nose
-rrhage (hemorrhage)
to burst forth
-rrhea (amenorrhea)
flow, discharge
sarco- (sarcomere)
flesh
scler-, sclero- (sclera)
hard
-scope (colonoscope)
to view
-sect (transect)
to cut
semi- (semitendinosus)
half
-septic (antiseptic)
putrid
-sis (metastasis)
state or condition
som-, -some (somatic)
body
spino- (spinothalamic pathway)
spine, vertebral column
-stalsis (peristalsis)
contractile
sten- (stenosis)
a narrowing
-stomy (colostomy)
mouth, opening
stylo- (styloid process)
stake, pole
sub- (subcutaneous)
below
super- (superficial)
above or beyond
supra- (supraspinous fossa)
on the upper side
syn- (synthesis)
together
tachy- (tachycardia)
swift
telo- (telophase)
end
tetra- (tetralogy of Fallot)
four
therm-, thermo- (thermoregulation)
heat
thorac- (thoracentesis)
chest
thromb- (thrombocyte)
clot
-tomy (appendectomy)
to cut
tox- (toxemia)
poison
trans- (transudate)
through
tri- (trimester)
three
-tropic (adrenocorticotropic)
turning
tropho- (trophoblast)
nutrition
-trophy (atrophy)
nourishing
tropo- (troponin)
turning
uni- (unicellular)
one
uro-, -uria (glycosuria)
urine
vas- (vascular)
vessel
zyg- (zygote)
yoked