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Medical Terminology > Prefixes > Flashcards

Prefixes Flashcards

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USMLE® Step 1 flashcards
1
Q

a‐, an‐

A

no, not

Apnea ‐ no breath.

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2
Q

ab‐

A

away from

Abductor ‐ muscle that moves a limb away from the
body.

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3
Q

ad‐

A

toward, near

Adductor ‐ muscle that moves a limb towards the
body.

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4
Q

ambi‐

A

both, both sides

Ambidextrous ‐ use of both hands.

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5
Q

ante‐

A

before

Antepartum ‐ before birth.

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6
Q

anti‐

A

against

Antiseptic ‐ substance used to fight against infection.

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7
Q

auto‐

A

self/own

Autoimmune disease ‐ production of antibodies
against one’s own normal cells

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8
Q

brachy‐

A

short

Brachydactyly ‐ a condition where fingers and toes
are abnormally short.

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9
Q

brady‐

A

slow

Bradycardia ‐ slow heart rate

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10
Q

con‐

A

with, together

Connective tissue ‐ tissue that binds tissues and other
body parts together

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11
Q

contra‐

A

against or opposite

Contraindication ‐ goes against the recommended
usage

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12
Q

dys

A

abnormal,
bad, difficult,
pain

Dysfunctional ‐ abnormal behaviour

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13
Q

ecto‐

A

out, outside

Ectopic pregnancy ‐ pregnancy outside of the uterus

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14
Q

en/endo‐

A

within, in, inner

Endotracheal tube ‐ tube within the trachea

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15
Q

epi‐

A

upon/on/above

Epithelium ‐ tissue on (covering) the body

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16
Q

exo‐

A

outward, outside

Exophthalmus ‐ protrusion of the eyeball‐
( outside of the normal parameters)

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17
Q

fore‐

A

before, in front of

Forebrain ‐ front of the brain

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18
Q

gero‐

A

old age

Gerontology ‐ the study of all aspects of aging

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19
Q

glyc‐

A

sugar

Glycopenia ‐ a deficiency of sugar in the blood or
tissues

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20
Q

hema‐/hemat‐

A

blood

Hematoma – a mass or collection of blood in an
organ, space or tissue

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21
Q

hetero‐

A

different

Heterogeneous ‐ having dissimilar elements or parts

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22
Q

homo‐/homeo‐

A

similar

Homoblastic ‐ developing from a single type of tissue

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23
Q

hyper‐

A

above, excessive, too much

Hyperacidity ‐ excessive amount of acid in the
stomach

24
Q

Hypo

A

Hypounder,
below, beneath,
deficient

Hypodermic ‐ pertaining to an area below the skin

25
Q

in‐

A

in, into

Incision ‐ a surgical cut into an organ or body space

26
Q

infra‐

A

below, under

Infraorbital ‐ pertaining to the area beneath the floor
of the bony cavity where the eyeball is located

27
Q

inter‐

A

between

Intercostal ‐ pertaining to the space between the ribs

28
Q

intra‐

A

within

Intravenous ‐ pertaining to the inside of the vein

29
Q

leuk‐

A

white

Leukemia ‐ increased number of white blood cells in
the blood or tissue

30
Q

macro‐

A

large

Macrocephaly ‐ a congenital anomaly characterized
by abnormal largeness of the head

31
Q

mal‐

A

bad, abnormal

Malabsorption ‐ abnormal absorption of nutrients
from the GI tract

32
Q

meta‐

A

beyond, change

Metamorphisis ‐ change in development

33
Q

micro‐

A

very small

Microblast ‐ a very small immature red blood cell

34
Q

neo‐

A

new

Neoplasm ‐ any abnormal growth of new tissue

35
Q

non‐

A

no/not

Nonunion ‐ pertaining to a fractured bone that is not
healing properly

36
Q

pan‐

A

all

Pandemic ‐ occurring throughout the population of a country or the World

37
Q

para‐

A

beside, near, along side of

Parathyroid glands ‐ glands beside the thyroid gland

38
Q

path‐ / patho‐

A

disease

Pathology ‐ the study of the characteristics of disease.

39
Q

pedia‐

A

child

Pediatrician ‐ a physician who specializes in the care and development of infants and children.

40
Q

peri‐

A

surrounding, around

Perinatal ‐ pertaining to the time snd process of giving birth or being born

41
Q

pre‐

A

before
Premature ‐ occurring before the appropriate time.

42
Q

pro‐

A

first, in front of, forward

Proactive ‐ being anticipatory and actively looking ahead

43
Q

pseudo‐

A

false

Pseudocyesis ‐ a condition where a women believes she is pregnant but is not.

44
Q

retro‐

A

backward, back, behind

Retroflexion ‐ an abnormal position of an organ in which it is tipped backward acutely.

45
Q

semi‐

A

half

Semiconcious ‐ an impaired state of conciousness

46
Q

sub‐

A

below

Subcutaneous ‐ below the skin

47
Q

super‐

A

above/more than normal

Superficial wound ‐ not deep, just under the skin

48
Q

supra‐

A

above/over/upper

Suprapatellar ‐ pertaining to the location above the patella

49
Q

syn‐

A

with, together, union

Synarthrosis ‐ joints that are joined together

50
Q

tachy‐

A

fast

Tachycardia ‐ a condition in which the heart contracts at a rate greater than 100/min

51
Q

trans‐

A

across/through

Transhepatic ‐ through the liver

52
Q

bi‐

A

two

Bifurcation ‐ splitting into two branches

53
Q

di‐

A

twice/double

Diplopia ‐ double vision

54
Q

hemi‐

A

half

Hemiplegia ‐ paralysis on one side of the body

55
Q

quad‐

A

four

Quadruplet ‐ any one of four offspring born of the same gestation

56
Q

tri‐

A

three

Tricuspid ‐ pertaining to three points or cusps as in the tricuspid valve of the heart

57
Q

uni‐

A

one

Unilateral ‐ involving only one side

Medical Terminology (11 decks)

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