Top 400 Med Terms Flashcards
-ac
“Means pertaining to and forms an adjective when combined with a
root”
-al
“Means pertaining to or concerning and forms an adjective when
combined with a root”
-algia, -dynia
pain
-an, -ar, -ic, -ical, -ory, -tic, -eal
pertaining to
-arche
beginning
-cele
pertaining to a tumor or swelling, or hernia
-centesis
procedure in which a body cavity is punctured often to drain fluid or collect a sample
-cidal, -cide
pertaining to killing
-cle, cule, culun, culuc, et, ium, ole, olum, olus
small
-dynia
difficult, painful, abnormal
-e, er, icing, ist, or
Agent or noun maker or one who specializes in
-ectasia, ectasis
dilation, dilatation, widening
-ectomy
excision, removal
-edema
swelling
-emesis
vomiting
-emia
blood condition
a/an-
without, out
ab-, apo-, de-
away from
abdomin-
abdomen
acou-
hear
acr/o-
an extremity
ad-
to, toward, near
Adherence
The patient taking the right drug as prescribed, including the prescribed dose of medication at the prescribed frequency for the prescribed length of time.
adip/o-
fat
adren/o-, adrenal/o-
adrenal gland
aerlo-, aero-
air, gas
alb-, album-, leuko-
white
alge-, alges-
pain
allo-
not normal
alveo-
hollow
ambi-, amphi-, ampho-
both
ambulo-
walk about
an/o-
pertaining to the anus
ana-
up, back, again
Analgesic
Relieves pain. Acetaminophen (Tylenol®) (aka APAP), aspirin (aka ASA), nonsteroidal anti-inflammatory drugs (NSAIDs) likeibuprofen(Advil®, Motrin®), and narcotics are examples of analgesics.
andr-
male
aneurysm/o-
Localized abnormal dilatation of a vessel.
angio-, vas(o)-
vessel
ankyl-
attached, crooked
ante-, fore-, pre-, pro-
before, forward
anter/o-
in front of
anti-, contra-, counter-
against, opposite
Anti-inflammatory
Counteracting inflammation. An agent that counteracts inflammation.
Antibiotic
Inhibits growth or destroys microorganisms whose overgrowth causes infection. Penicillins, quinolones, β-lactams, and cephalosporins are all examples.
Anticoagulant
Delaying or preventing blood coagulation. (2) An agent that prevents or delays blood coagulation, for examplewarfarinsodium (Coumadin®) or dabagatrin (Pradaxa®).
Antidepressant
Any medicine or other mode of therapy that acts to prevent, cure, or alleviate mental depression.
Antihistamine
A drug that opposes the action of histamine. Although there are two classes of histamine-blocking drugs, the term antihistamine is typically used to describe agents that block the action of histamines on the H1receptors. These agents are used to treat allergies, hives, etc.
aphth/o-
ulcer
aque/o-
water
arteri/o-
artery
arthr/o-, articul/o-
joint
asphyxia-
lack of oxygen or excess carbon dioxide
asthen/o-, asthen/o
weak, weakness
Astringent
Drawing together, constricting, binding. An agent that has a constricting or binding effect.
astro-
Combining form indicating relationship to a star
ather/o-
plaque (fatty substance)
atri/o-
atrium (upper heart chamber)
audi/o-
hearing
aur/o-, auricul/o-
ear
auscult/o-
to listen
auto-
self
axill/o-
armpit
bacteri/o-
bacteria
balan/o-
glans penis
benign
not harmful, tumor - not cancerous
bi-, bin-, di-, diplo-, dis-
two, twice
bio-
life
blast-
germ or cell
blephar/o-
pertaining to an eyelid
brachy-, brevi-
short
brady-
slow
bronch/i-, bronch/o
bronchus (airway)
bucc/o-
cheek
bursa-
pouch or sac
caco-
bad, ill
calc-
stone; also heel
callus
hard thick skin
calori-
heat
capillar/o-
capillary
carcin/o-
cancer
cardio-
heart
carotid
large arteries in the neck
carpus, carp/o-
wrist, pertaining to wrist bones (carpals)
cata-
down
cathar/o-, cathart/o-
cleansing, purging
cente-
to puncture (a body cavity)
centi-
one-hundredth
cephal/o-
head
cerebell/o-
cerebellum
cerebr/o-
cerebrum
cerumin/o-
wax
cervico-
Pertaining to the neck or cervix (neck of uterus)
cheil/o-
lip
chir-
hand
chlor, verdin-
green
chole-
pertaining to bile
cholecyst/o-
gallbladder
chondr/o-
pertaining to cartilage
chroma-
color
chron-
time
cili-
eyelid
ciner, glauc, polio-
gray
circum, peri-
around
cirrh, flav, lute, xanth-
yellow
clas-, -clasis, -clast
smash
cleid/o-
clavicle
co, com, con, sym, syn-
together, with
colon/o-
colon (large intestines)
colp/o-
vagina
conjunctiv/o-
conjunctiva (mucous membrane that lines inner surface of eyelids)
contra-
against or opposed
Contraceptive
Any process, device, or method that prevents conception. Categories of contraceptives include steroids, chemical, physical, or barrier or combinations of these.
corpor/o-
body
Corticosteroid
Any of several steroid hormones secreted by the cortex of the adrenal gland or manufactured synthetically for use as a drug. Examples would be prednisone,dexamethasone, methylprednisolone.
cost/o-
pertaining to a rib
cry, cryo-
Cold
crypt-
hidden
cubitus
Skin
cycl-
Round, circular
cyst/o
pertaining to the bladder or any fluid containing sac
cyt-, -cyte
Cell, Cytology
de-
down from -
deca-
ten
deci-
one-tenth
Decongestant
reducing congestion / swelling
demi, hemi, semi
half
dent/i
tooth
derm, dermo, dermato-
skin
dextro-
to the right
di-
twice or double
dia, per, trans
across, through
diaphor/o
profuse sweating
digit
finger or toe
diuretic
Increasing urine secretion
dorsi, dorso-
Back
duoden/o-
duodenum, first part of the small intestine immediately beyond stomach
e, ec, ex-
Out from, Edentia (absence of teeth)
ecto, extra, extro-
outside, ectopic
ede-
swelling
em, en, im, in-
In, encapsulate
-emesis
vomiting
-emia
Blood condition
Encephalo/o-
brain
Endo, ento, intra-
Within (interior of)
enter(o)-
pertaining to intestines
Eosin/o-
red, rosy, dawn-colored
epi-
over, upon (epidermal)
erythr, rube-
Red - Erythrocyte (red cell)
eso-
Inward (esophoria - inward turning of eye)
esophag/o
esophagus
-esthesi(o)
pertaining to SENSATION or Perception
eu-
Easily, well (euthanasia - good death, eugenic - good production)
ex/o-
outside
Expectorant
Clearance of mucus
extra, hyper, per, pleo, super-
Outside of, excessive, more
febri-
Fever, Febrifacient
fellicul/o-
pertaining to follicle or smalls ac
fract-
break, fracture
galacto/o
milk, similar to lact/o
-gastr/o, gastr/o-
stomach
gen-
Producing, generation
-genesis
origin or production
-genic
causing
gero-
Aged, gerontology (studying effects of aging)
gest-
to carry, produce, congestion
gingiv/o
Gums
gloss/o
tongue
gluco-, glyco-
sugar
-gram
record or something written or recorded
-graph
a record or the instrument used to create the record
gust-
Taste, gustation
gynec(o)-
pertaining to the females, or reproductive organs
haplo-
Single, simple
hecto-
hundred, hectoliter (100 litres)
hemo/o, hemat/o
blood
hemi-, semi-
half
hepat/o, hepatic
liver
hept, sept-
seven
hex, sex-
Six
hidro
Sweat, hidrosis (similar to diaphor/o)
histo-
tissue, histoblast (tissue cell)
hom/o-
Same, homoblastic (develop from same tissue)
humerus
bone in upper arm
hydro-
water
hyper
above, over
hypno-
sleep
hypo-
below, beneath or under
hyster(o)-
pertaining to the uterus
-ia, iasis, id, ism, ity, osis, tia, tion
Abnormal condition, state
ictero-
jaundice, icterogenic (causes jaundice)
ile/o-, ili/o
ileum
im, in, ir, non, un-
In, within, not
infra, sub-
deficient, less
Insulin
a hormone secreted by Beta cells of pancreas that controls metabolism and cellular uptake of sugars, proteins and fats. Drug used principally to treat DM
inter-
between, intercostal
intra-
Within
Intradermal
drug route of admin. by skin injection
Intrathecal
drug route by inection into meninges around spinal cord
Intramuscular
Injection into muscle
ipsi, iso-
Equal, same
-ism
Action, process
-itis
Inflammation of
juxta-
Near
kerat/o
Cornea; hard, horny tissue
kilo-
thousand
kinesio-
movement, kinesia (motion sickness)
lact/o
milk, similar to galact/o
later/o
to the side, lateroposition (displacement to one side)
leuk/o
white, similar to album.
levo, sinistro-
to the left
lingu-
tongue, (similar to gloss/o)
lip/o
fat, lipoid
lith/o
Stone, lithiasis
lysis
dissolving or loosen
-lysis
breaking down or dissolution
macro-
large, long
mal-
bad, ill, poor, abnormal
malaco-
soft
Malignant
very virulent or infectious, tumor
medi, mes, mid-
In the middle
mega, megalo-
Large
-megaly
Enlargement
melan, nigro-
black, melanoma
men-
Month
mening(o)-
pertaining to a membrane
mero-
Part
meta-
After, changes, over (metastasis - beyond stopping standing, spread from one part to another)
micro-
Small
micro-
one-millionth (microgram)
Miotic
Agent that causes the pupil to contract
mis-
bar, improper, wrong
mono, uni-
One
muco, myx-
mucus
Mucolytic
class of agents that liquefy sputum or reduce viscosity
multi, poly-
many
muscul/o, my/o
muscle
myco
fungi
Mydriatic
Causing pupillary dilation
myel/o
bone marrow
narc/o
stupor, sleep (narcolepsy)
nas/o
nose
necro-
death
neo-
new
nephr/o
kidney
neur/o
nerve
Nitrates
salts of nitric agent
noct-
night
noso-
disease
octa-
Eight
ocul/o
Eye
oligo-
Few, little or deficient
-ology
Science of
-oma
tumor
omo-
Shoulders (Omodynia - pain of shoulders)
omphalo-
umbilicus
onych/o
nail
oophor/o
pertaining to ovary
ophthalm/o
eye
-opia
condition of vision
opistho, poster, reto-
backward, behind (Opisthotic - located behind ear)
orchid/o-, orchi/o-
pertaining to testicles
oro-
mouth
ortho-
straight or normal
oste/o-
pertaining to bone
-ostomy
surgical creation of an opening or hole
ot/o-
pertaining to ear
-otomy
surgical incision
ov-
egg
pachy-
Thick
paleo-
Old
palpate
examine by touch
Palpation
examination by touch to text evidence of disease or internal abnormalities
pan-
All
pancreat/o
pancreas
papilla-
Pustile, small protuberance or elevation (in skin etc)
para-
Besides, near
Parenteral
Drug admin by other route than oral, by injection
-paresis
slight paralysis
patho-
Disease (pathology - study of disease)
-pathy
disease or system for treating a disease
pedia-
Child, pediatrics
pedo-, ped-
Foot
-penia
Abnormal reduction (Leukopenia - reduction in WBC)