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Medical Term Pre-fixes

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Prefix
Meaning
Example
show without, lack of   apnea (without breath)  
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show away from   abnormal, abductor  
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Ad-, Af-   to, toward   show
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Ana-   up, back again   show
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Anti-   show antisepsis  
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show away from   apochromatic (abnormal color)  
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Auto-   show autolysis, autopsy  
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Bi-   show bifurcation (separation into 2 branches)  
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Brachy-   show brachycephalia (short head)  
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Brady-   show bradycardia, bradypnea (slow breathing)  
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show around   circumflex (winding about), circumcision (ouch)  
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show with   congenital (born with)  
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Contra-   show contraception, contralateral  
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show hidden, concealed   cryptorchid (undescended testicle)  
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Cryo-   show cryotherapy  
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De-   show dehydrate  
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show right   dextrocardia (pertaining to right side of heart  
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Di-   twice, double   show
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show through, apart, across   diaphragm, diapedesis  
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Dys-   Bad, difficult   show
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show out, away from   eviscerate (remove viscera), efferent  
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Ec-, Ecto-   show eccentric, ectopic (out of place)  
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Em-, En-   in   show
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Endo-   within   show
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Epi-   show epigastric  
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Eu-   well, good, normal   show
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show heavy   gravida (pregnant woman)  
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show single, simple   haplodermatitis (simple inflammation of the skin)  
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Hemi-   show hemiplegia (paralysis on one side)  
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Hetero-   other, different   show
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Homo-   same   show
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show wet, water   hydronephrosis (urine collecting in renal pelvis)  
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Hyper-   show hyperplasia (excessive formation)  
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show under, below, deficient   Hypotension (low blood pressure)  
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Idio-   distinctive, peculiar to   show
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Im-, In-   show infiltration  
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show not   immature  
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Infra-   below   show
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show between   intercostal (between ribs)  
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Intra-   within   show
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Iso-   same, equal   show
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Leuko-   show leukocyte  
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Levo-   left   show
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show bad   malignant, malformation  
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Mega-   show megacolon (large colon), megaloblastic  
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show middle   mesoderm  
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Micro-   show microglossia (small tongue)  
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Mono-   show monochromatic  
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show many, much   multiparous (having given many births)  
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show having to do with death   necrosis, necropsy  
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Neo-   show neoplasm (literally - new formation)  
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Oligo-   few, little   show
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Opistho-   behind, backward   show
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show straight, normal,   orthopnea (able to breath only in correct, upright position)  
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Para-   show paraplegia (paralysis of both sides), parathyroids  
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Per-   show percutaneous  
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show around   periosteum (membrane around the bone)  
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show varied   poikiloderma (mottled skin), poikilothermic  
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show many, much   polymyalgia (pain in many  
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Post-   show postnatal (after birth)  
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show before, in front of   prenatal  
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show before, in front of   prognosis (foreknowledge)  
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Pseudo-   FALSE   show
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Re-   show regurgitation  
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show backward, located   retroperitoneal (behind the peritoneum)  
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Sclero-   hard   show
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show half   semilunar (half moon, i.e., valves in aorta)  
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show under   sublingual  
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Super-   above, upper   show
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Supra-   show suprarenal  
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Steno-   show stenosis (narrowing or constriction)  
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Sym-, Syn-   show synapse, symphysis  
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Tachy-   fast, swift   show
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Trans-   show transection (cut across)  
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show three   tricuspid (heart valve)  
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show dry   xerodermia (dry skin)  
🗑
Prefix   Meaning   show
🗑


   

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