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TERMINOLOGY

Common Prefixes, Suffixes and Roots

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