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Common Prefixes, Suffixes and Roots

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Prefix / Suffix / Root
To do with / Examples in text.
a-/an-   Lack of. I.E. anuria, agranulocyte, asystole, anaemia.  
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-aemia   Of the blood. I.E. anemia, hypoxaemia, uramia, hypovolaemia.  
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angio-   Vessel. I.E. angiotensin, haemangioma  
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anti-   Against. I.E. antidiuretic, anticoagulant, anitgen, antimicrobial.  
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-blast   Germ, bud. I.E. reticuloblast, osteoblast.  
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brady-   Slow. I.E. bradycardia.  
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broncho-   Lung / bronchus. I.E. bronchiole, bronchitis, bronchus.  
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card-   Heart. I.E. cardiac, myocardium, tachycardia.  
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chole-   Bile. I.E. cholecystokinin, cholecystitis, cholangitis  
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cyto-/-cyte   Cell. I.E. erythrocyte, cytosol, cytoplasm, cytotoxic.  
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derm-   Skin. I.E. dermatitis, dermatome, dermis.  
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dys-   Difficult. I.E. dysuria, dyspnoea, dysmenorrhoea, dysplasia.  
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-ema   Swelling. I.E. oedma, emphysema, lymphoedema.  
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endo-   Inner. I.E. endocrine, endocytosis, endothelium.  
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erythro-   Red. I.E. erythrocyte, erythropoietin, erythropoiesis.  
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exo-   Outside. I.E. exocytosis, exophthalmos.  
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extra-   Outside. I.E. extracellular, extrapyramidial.  
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-fferent   Carry. I.E. afferent, efferent  
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gast-   Stomach. I.E. gastric, gastrin, gastritis, gastrointestinal.  
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-gen-   Origin / Production. I.E. gene, genome, genetic, antigen, pathogen, allergen.  
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-globin   Protein. I.E. myoglobin, haemoglobin.  
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haem-   Blood. I.E. haemostasis, haemorrhage, haemolytic.  
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-hydr-   Water. I.E. dehydration, hydrostatic, hydrocephalus.  
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hepat-   Liver. I.E. hepatic, hepatitis, hepatomegaly, hepatocyte.  
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hyper-   Excess / Above. I.E. hypertension,hypertrophy, hypercapnia.  
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hypo-   Below / Under. I.E. hypoglycaemia, hypotension, hypovolaemia.  
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intra-   Within. I.E. intracellular, intracranial, intracular.  
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-ism   Condition. I.E. hyperthyroidism, dwarfism, rheumatism.  
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-itis   Inflammation. I.E. appendicitis, hepatitis, cystitis, gastritis.  
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lact-   Milk. I.E. lactation, lactic, lacteal.  
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lymph-   Lymph Tissue. I.E. lymphocyte,lymphatic, lymphoedema.  
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lyso-/-lysis   Breaking Down. I.E. lysosome, glycolysis, lysozyme.  
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-mega-   Large. I.E. megaloblast, acromegaly, splenomegaly, hepatomegaly.  
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micro-   Small. I.E. microbe, microtubules, microvilli.  
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myo-   Muscle. I.E. myocardium, myoglobin, myopathy, myosin.  
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neo-   New. I.E. neoplasm, gluconeogensis, neonate.  
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nephro-   Kidney. I.E. nephron, nephrotic, nephroblastoma, nephrosis.  
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neuro-   Nerve. I.E. neurone, neuralgia, neuropathy.  
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-oid   Resembling. I.E. myeloid, sesamoid, sigmoid.  
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-oma   Tumour. I.E. carcinoma, melanoma, fibroma.  
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-ophth-   Eye. I.E. xerophthalmia, ophthalmic, exophthalmos.  
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-ory   Reffering to. I.E. secretory, sensory, auditory, gustatory.  
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osteo-   Bone. I.E. osteocyte, osteoarthritis, osteoporosis.  
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-path-   Disease. I.E. athogenesis, neuropathy, nephropathy.  
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-plasm   Substance. I.E. cytoplasm, neoplasm.  
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pneumo-   Lung / Air. I.E. pneumothorax, pneumonia, pneumotoxic.  
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poly-   Many. I.E. polypeptide, polyuria, polycythaemia.  
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-rrhagia   Excessive flow. I.E. menorrhagia.  
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sub-   Under. I.E. subphrenic, subarachnoid, sublingual.  
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tachy-   Excessively fast. I.E. tachycardia.  
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thrombo-   Clot. I.E. thrombocyte, thrombosis, thrombin, thrombus.  
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-tox-   Poison. I.E. toxin, cytotoxic, hepatoxic.  
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-uria   Urine. I.E. anuria, polyuria, heamaturia, nocturia.  
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vas, vaso-   Vessel. I.E. vasoconstriction, vas deferens, vascular.  
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Aden-   Gland I.E. disease in a gland.  
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Arthr-   JOINT, Arthritis I.E. inflammation of a joint  
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Carcin-   CANCER, Carcinogen I.E substance that causes Cancer.  
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Carp-   Wrist I.E. carpal tunnel syndrome (painful condition in which nerve gets trapped in carpal bones of wrist)  
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Hemat-   Blood I.E. Hematocrit (count of cells in blood)  
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Histo-   Tissue I.E. Hematocrit (the degree to which a donor's tissues match a recipients tissues for a graft).  
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Sept-   Contamination I.E. Septic shock (drop in blood pressure due to contamination of blood).  
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ab-   Away from  
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ad-   Toward  
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mono-   1  
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uni-   1  
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bi-   2  
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di-   2  
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tri-   3  
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quad-   4  
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quadri-   4  
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tetra-   4  
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hemi-   Half or Part  
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semi-   Half or Part  
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multi-   Many  
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poly-   Many  
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macro-   Large  
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micro-   Small  
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nulli-   None  
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primi-   1st  
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ante / pre- / pro-   Before  
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dia-   Through  
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ecto- / ex- / exo-   Out, Away from  
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epi-   Above / On  
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en-   Inside  
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inter-   Between  
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intra-   Within  
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meso-   Middle  
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peri-   Around  
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post-   After / Behind  
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retro-   Behind / Backward  
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super- / supra   Above / Beyond  
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contra   Against  
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Near / Beside / eu-   Good / Normal  
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in-   in / Inside  
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mal-   Bad  
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para   Near / Beside / also Abnormal  
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par-   Through / By  
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