| Word Part |
Definition |
| mono-, uni- |
one |
| bi-, di- |
two |
| tri- |
three |
| quad-, quadri-, tetra- |
four |
| centi- |
one hundred or one-hundreth |
| milli- |
one-thousandth (1/1000) |
| diplo- |
double |
| hemi-, semi- |
half, partly |
| hyper- |
excessive, more than normal |
| hypo- |
beneath or below normal |
| multi-, poly- |
many |
| nulli- |
none |
| pan- |
all |
| primi- |
first |
| super-, ultra- |
excessive |
| ab- |
away from |
| ad- |
toward |
| ante-, pre- |
before in time or in place |
| circum-, peri- |
around |
| dia- |
through |
| ecto-, ex-, exo-, extra- |
out, without, away from |
| en-, end-, endo- |
inside |
| epi- |
above, on |
| hypo-, infra-, sub- |
beneath, under |
| inter- |
bewtween |
| intra- |
within |
| ipsi- |
same |
| meso-, mid-, medio- |
middle |
| para- |
near, beside, or abnormal |
| per- |
through or by |
| post- |
after, behind |
| retro- |
behind, backward |
| super-, supra- |
above, beyond |
| sym-, syn- |
joined together |
| trans- |
across |
| a-, an- |
no, not, without |
| in- |
not or inside |
| macro-, mega-, megalo- |
large or great (related to size) |
| micro- |
small (related to size) |
| ante-, pre-, pro- |
before (related to time) |
| post- |
after or behind (related to time) |
| anti-, contra- |
against (related to description) |
| brady- |
slow (related to description) |
| dys- |
bad, difficult (related to description) |
| eu- |
good, normal (related to description) |
| mal- |
bad (related to description) |
| pro- |
favoring, supporting (related to description) |
| tachy- |
fast (related to description) |
| anter(o) |
front |
| poster(o) |
back |
| ventr(o) |
ventral, belly side |
| dors(o) |
back |
| medi(o) |
medial, median, middle or nearer the middle |
| later(o) |
lateral, farther from the midline of the body or from a structure |
| super(o) |
superior, uppermost or above |
| infer(o) |
inferior, lowermost or below |
| proxim(o) |
proximal, nearer the origin or point of attachment |
| dist(o), tel(e) |
far or distant |
| caud(o) |
tail |
| cephal(o) |
cephalad, toward the head |
| abdomin(o) |
abdomen |
| acr(o) |
extremities (arms and legs) |
| cephal(o) |
head |
| crani(o) |
cranium (skull) |
| dactyl(o) |
finger or toe |
| encephal(o) |
brain |
| herni(o) |
hernia |
| omphal(o), umbilic(o) |
umbilicus (naval) |
| pelv(i) |
pelvis |
| periton(o) |
peritoneum |
| pod(o) |
foot |
| som(a), somat(o) |
body |
| spin(o) |
spine |
| thorac(o) |
thorax (chest) |
| viscer(o) |
viscera (large abdominal organs) |
| hem(a), hem(o), hemat(o), -emia |
blood |
| hidr(o) |
sweat, perspiration |
| hydr(o) |
water |
| muc(o) |
mucus |
| py(o) |
pus |
| sial(o) |
saliva; salivary glands |
| ur(o)(used to describe cells) |
urine; urinary tract |
| cellul(o) |
little cell or compartment (used to describe cells) |
| chrom(o) |
color (used to describe cells) |
| cyt(o), -cyte |
cell |
| hemoglobin(o) |
hemoglobin (used to describe cells) |
| kary(o), nucle(o) |
nucleus |
| morph(o) |
shape; form |
| necr(o) |
death |
| norm(o) |
normal |
| phil(o) |
attraction |
| poikil(o) |
irregular |
| spher(o) |
round |
| calc(i) |
calcium |
| kal(i) |
potassium |
| natr(o) |
sodium |
| coagul(o) |
coagulation |
| fibrin(o) |
fibrin |
| thromb(o) |
thrombus; clot |
| aer(o) |
air or gas |
| angi(o), vascul(o) |
vessel |
| home(o) |
sameness; constant |
| is(o) |
equal |
| lith(o) |
stone; calculus |
| necr(o) |
death |
| -ant |
that which causes |
| -ate |
to cause an action or the result of an action |
| -cidal |
killing |
| -poiesis |
production |
| -poietin |
that which causes production |
| iatr(o) |
physician or treatment |
| idi(o) |
individual |
| immu(o) |
immunity |
| nos(o), path(o) |
disease |
| seps(o) |
infection |
| sept(i), sept(o)* |
infection; *also means septum |
| bacter(i), bacteri(o) |
bacteria |
| staphyl(o) |
grapelike cluster, uvula |
| strept(o) |
twisted |
| fung(i), myc(o) |
fungus |
| vir(o), virus(o) |
virus |
| aut(o) |
self |
| -phylaxis |
protection |
| vascul(o) |
vessel |
| aort(o) |
aorta |
| arter(o), arteri(o) |
artery |
| arteriol(o) |
arteriole |
| cardi(o) |
heart |
| phleb(o), ven(i), ven(o) |
vein |
| venul(o) |
venule |
| endocardi(o) |
endocardium |
| myocardi(o) |
myocardium |
| pericardi(o) |
percardium |
| atri(o) |
atrium |
| coron(o) |
crown |
| mediastin(o) |
mediastinum |
| ox(i) |
oxygen |
| pulmon(o) |
lung |
| sept(o)* |
*septum; partition |
| sin(o) |
sinus |
| steth(o), thorac(o) |
chest |
| valv(o), valvul(o) |
valve |
| ventricul(o) |
ventricle |
| -ole |
small |
| rhythm(o), rrhythm(o) |
rhythm |
| de- |
down, from, or reversing |
| -stenosis |
narrowing; stricture |
| aneurysm(o) |
aneurysm |
| ather(o) |
yellowish, fatty plaque |
| embol(o) |
embolus |
| aden(o) |
gland |
| adenoid(o) |
adenoids |
| lymph(o) |
lymph, lymphatics |
| lymphaden(o) |
lymph node |
| lymphangi(o) |
lymph vessel |
| lymphat(o) |
lymphatics |
| splen(o) |
spleen |
| thym(o) |
thymus |
| tonsill(o) |
tonsil |
| febrile |
fever |
| palm |
palm |
| plantar |
sole (foot) |
| prone |
face laying down |
| supine |
lying on back |
Ch.18 LTI-MA 509
