Medical Terminology Reference
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Use this reference to see how common medical terms are created using the various prefixes, suffixes, and root words. |
tachycardia
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Prefix: tachy- Prefix Definition: fast 1st Root Word: cardi/o 1st Root Definition: heart 2nd Root Word: 2nd Root Word Definition: Suffix: -ia Suffix Definition: condition Definition: condition of a rapid heart rate |
telangiectasia
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Prefix: Prefix Definition: 1st Root Word: tel/o 1st Root Definition: complete 2nd Root Word: angi/o 2nd Root Word Definition: vessel (blood) Suffix: -ectasia Suffix Definition: dilation; dilatation; widening Definition: dilation of small blood vessels just below the skin |
teratoma
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Prefix: Prefix Definition: 1st Root Word: terat/o 1st Root Definition: monster; malformed fetus 2nd Root Word: 2nd Root Word Definition: Suffix: -oma Suffix Definition: tumor; mass; fluid collection Definition: tumor containing tissues not generally present at that site |
therapeutic
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Prefix: Prefix Definition: 1st Root Word: therapeut/o 1st Root Definition: treatment 2nd Root Word: 2nd Root Word Definition: Suffix: -ic Suffix Definition: pertaining to Definition: pertaining to treatment |
thermometer
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Prefix: Prefix Definition: 1st Root Word: therm/o 1st Root Definition: heat 2nd Root Word: 2nd Root Word Definition: Suffix: -meter Suffix Definition: measure Definition: instrument used to measure temperature |
thoracic
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Prefix: Prefix Definition: 1st Root Word: thorac/o 1st Root Definition: chest 2nd Root Word: 2nd Root Word Definition: Suffix: -ic Suffix Definition: pertaining to Definition: pertaining to the chest |
thoracotomy
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Prefix: Prefix Definition: 1st Root Word: thorac/o 1st Root Definition: chest 2nd Root Word: 2nd Root Word Definition: Suffix: -tomy Suffix Definition: process of cutting Definition: surgical process of cutting into the chest wall |
thrombus
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Prefix: Prefix Definition: 1st Root Word: thromb/o 1st Root Definition: clot 2nd Root Word: 2nd Root Word Definition: Suffix: -us Suffix Definition: structure; thing Definition: blood clot |
thyrotoxic
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Prefix: Prefix Definition: 1st Root Word: thyr/o 1st Root Definition: thyroid gland; shield 2nd Root Word: toxic/o 2nd Root Word Definition: poison Suffix: Suffix Definition: Definition: excessive amounts of thyroid hormones |
tonsillitis
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Prefix: Prefix Definition: 1st Root Word: tonsil/o 1st Root Definition: tonsil 2nd Root Word: 2nd Root Word Definition: Suffix: -itis Suffix Definition: inflammation Definition: inflammation of the tonsils |
topical
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Prefix: Prefix Definition: 1st Root Word: top/o 1st Root Definition: place; position; location 2nd Root Word: 2nd Root Word Definition: Suffix: -ical Suffix Definition: pertaining to Definition: pertaining to; application to a location of the body |
toxicology
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Prefix: Prefix Definition: 1st Root Word: toxic/o 1st Root Definition: poison 2nd Root Word: 2nd Root Word Definition: Suffix: -logy Suffix Definition: study (process of) Definition: study of poison’s effects, detections and use |
tracheomalacia
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Prefix: Prefix Definition: 1st Root Word: trache/o 1st Root Definition: trachea (windpipe) 2nd Root Word: 2nd Root Word Definition: Suffix: -malacia Suffix Definition: softening Definition: softening of the cartilage in the trachea |
tracheoplasty
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Prefix: Prefix Definition: 1st Root Word: trache/o 1st Root Definition: trachea (windpipe) 2nd Root Word: 2nd Root Word Definition: Suffix: -plasty Suffix Definition: surgical repair Definition: surgical repair of the trachea (windpipe) |
tracheostenosis
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Prefix: Prefix Definition: 1st Root Word: trache/o 1st Root Definition: trachea (windpipe) 2nd Root Word: 2nd Root Word Definition: Suffix: -stenosis Suffix Definition: tightening; stricture Definition: constriction of the trachea (windpipe) |
tracheotomy
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Prefix: Prefix Definition: 1st Root Word: trache/o 1st Root Definition: trachea (windpipe) 2nd Root Word: 2nd Root Word Definition: Suffix: -tomy Suffix Definition: process of cutting Definition: surgical process of cutting into the trachea (windpipe) |
translucent
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Prefix: trans- Prefix Definition: across; through 1st Root Word: 1st Root Definition: 2nd Root Word: 2nd Root Word Definition: Suffix: -lucent Suffix Definition: to shine Definition: allowing light to shine through |
traumatic
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Prefix: Prefix Definition: 1st Root Word: traumat/o 1st Root Definition: trauma; injury; wound 2nd Root Word: 2nd Root Word Definition: Suffix: -ic Suffix Definition: pertaining to Definition: pertaining to trauma; injury; wound |