Medical Prefixes

Front 1

A- An-

Back 1

without,lack of,deficient

anesthesia-without sensation

Front 2

Ab-

Back 2

away from

abnormal-away from normal

Front 3

Ad-

Back 3

to, near, toward

adduction-movement of an extremity towards the axis of the body

Front 4

Ambi-

Back 4

both side

ambidextrous-able to use either hand

Front 5

Ante-

Back 5

before

antepartum-before delivery

Front 6

Anti-

Back 6

against

anticoagulant-a substance that prevents clotting of blood

Front 7

Bi-

Back 7

two,double,both

biceps-a muscle with two heads of origin

Front 8

Brachy-

Back 8

short

brachyesophagus-short esophagus

Front 9

Brady-

Back 9

slow

bradycardia-abnormal slowness of the heart

Front 10

Cata-

Back 10

down,lower,under,against

catabolism-metabolic breakdown into simpler substance

Front 11

Circum-

Back 11

around

circumrenal-around the kidney

Front 12

Col- Con-, Com-

Back 12

with,together

congenital-existing at birth

Front 13

Contra-

Back 13

against,opposite

contraception-the prevention of conception

Front 14

Crypt-

Back 14

hidden, conceal

cryptorchidism-undescended or hidden testes

Front 15

Di- Diplo-

Back 15

two

diploid-having double the haploid number of the chromosomes

Front 16

Dis-

Back 16

separation,apart,away from

disarticulate-to separate at a joint

Front 17

Dys-

Back 17

painful,difficult

dyspnea-difficult breathing

Front 18

E- Ec- Ex-

Back 18

out from/of

eccentric-not located at the center

Front 19

Ecto- Exo-

Back 19

outside

ectopic pregnancy-gestation outside the uterine cavity

Front 20

Em- En-

Back 20

in, on

empyema-pus in a body cavity

Front 21

End-, Endo-

Back 21

inside

endocardium-membrane lining the inner surface of the heart

Front 22

Epi-

Back 22

upon, on, above

epidermis-outermost layer of skin

Front 23

Eu-

Back 23

well

eupnea-normal breathing

Front 24

Ex- Exo-

Back 24

out,away from

exocrine-excreting outside or away from

Front 25

Extra-

Back 25

outside, beyond, in addition to

extracellular-outside of the cell

Front 26

Hemi-

Back 26

half

hemiplegia-paralysis of only half of the body

Front 27

Heter- Hetero-

Back 27

other,different

heterogenous-composed of different substances

Front 28

Homeo- Homo-

Back 28

unchanging,the same,steady

homeostatis-achievement of a steady state

Front 29

Hyper-

Back 29

beyond,excessive

hyperglycemia-excessive amount of sugar in the blood

Front 30

Hypo-

Back 30

under,below,deficient

hypodermic-below the skin or dermis

Front 31

Idio-

Back 31

self,one's own,separate

idiopathic-a disease without a recognizable cause

Front 32

Inter-

Back 32

among, between

intercostal-between the ribs

Front 33

Intra-

Back 33

within, inside

intracellular-inside the cell

Front 34

Iso-

Back 34

equal, like

isogenic-alike in morphological development

Front 35

Macro-

Back 35

large, great

macrophages-large phagocytic cell

Front 36

Mal-

Back 36

abnormal

malnutrition-lack of necessary food substances

Front 37

Mega- Megalo-

Back 37

large, great

megakaryocyte- giant cell of bone marrow

Front 38

Meta-

Back 38

after,beyond

metacarpus-the part of the hand between the wrist and fingers

Front 39

Micro-

Back 39

small

microtome-instrument for preparing very thin slices of tissue for microscopic examination

Front 40

Neo-

Back 40

new

neonatal-pertaining to the first 4 week after birth

Front 41

Oligo-

Back 41

small,deficient

oliguria-abnormally small amount of urine

Front 42

Ortho-

Back 42

straight, normal

orthopnea-inability to breath in any position except when straight or erect

Front 43

Para-

Back 43

near,beyond,apart from,beside

paranasal-near the nose

Front 44

Per-

Back 44

through

percutaneous- through the skin

Front 45

Peri-

Back 45

around

pericardium-membrane or sac around the heart

Front 46

Poly-

Back 46

much, many

polycythemia-an excess of red blood cells

Front 47

Post-

Back 47

after, beyond

postnatal-after birth

Front 48

Pre- Pro-

Back 48

before, in front of

prenatal-before birth

Front 49

Pseud- Pseudo-

Back 49

false

pseudoangina-false angina

Front 50

Retro-

Back 50

backward,located behind

retroperitoneal- located behind the peritoneum

Front 51

Semi-

Back 51

half

semicircular canals-canals in the shape of a half circle

Front 52

Sub-

Back 52

under, beneath, below

submucosa-tissue layer under a mucous membrane

Front 53

Super-

Back 53

above,beyond

superficial-confined to the surface

Front 54

Supra-

Back 54

above, over

suprarenal-adrenal gland above the kidney

Front 55

Sym- Syn-

Back 55

together, with, joined

syndrome-all the symptoms of a disease considered as a whole

Front 56

Tachy-

Back 56

rapid

tachycardia-rapid heart action

Front 57

Trans-

Back 57

across, through, beyond

transudation-oozing of a fluid through pores

Front 58

Tri-

Back 58

three

trigone-a triangular space,as at the base of the bladder