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Medical TERMINOLOGY   -   A thru Z

Prefixes, roots, suffixes  [ T ]

Prefix: A prefix is placed at the beginning of a word to modify or change its meaning. Pre means "before." Prefixes may also indicate a location, number, or time. 
Root
: central part of a word.     
Suffix
:  The ending part of a word that modifies the meaning of the word. Example: homeless. Root = 'home' and the suffix is 'less'. It can also refer to a condition, disease, disorder, or procedure.    

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Also check out the medical abbreviations section
 

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Term
[ Meaning ]
tachy- [ fast ]
tal/o [ talus  ]
tars/o [ tarsus; hindfoot or ankle  ]
tauto- [ identical, same  ]
tax/o [ order; coordination  ]
techn/o [ skill, art ]
tel/o [ complete ]
tele/o [ distant ]
temp/o, tempor/o [ period of time, the temples ]
ten [ deca- ]
ten/o [ tendon ]
tendin/o [ tendon ]
-tension [ pressure ]
tens/o [ stretched, strained  ]
tephr/o [ gray (ashen)  ]
terat/o [ monster; malformed fetus  ]
test/o [ testis ]
tetan/o [ tetanus ]
tetra- [ four ]
thalam/o [ thalamus ]
thalass/o [ sea ]
thanat/o [ death  ]
the/o [ put; place  ]
thec/o [ sheath ]
thel/o [ nipple ]
therapeut/o [ treatment ]
-therapy [ treatment ]
therm/o [ heat ]
thorac/o [ chest ]
-thorax [ chest; pleural cavity  ]
three [ tri- ]
thromb/o [ clot ]
-tropia [ to turn  ]
thym/o [ thymus gland  ]
-thymia [ mind (condition of)  ]
-thymic [ pertaining to mind  ]
thyr/o [ thyroid gland; sheild  ]
thyroid/o [ thyroid gland  ]
tibi/o [ tibia (shin bone)  ]
-tic [ pertaining to  ]
toc/o [ labor; birth  ]
-tocia [ labor; birth (condition of)  ]
-tocin [ labor; birth (a substance for)  ]
tom/o [ to cut  ]
-tome [ instrument to cut  ]
-tomy [ process of cutting  ]
ton/o [ tension ]
tone/o [ to stretch  ]
tonsill/o [ tonsil ]
top/o [ place; position; location  ]
torso [ twisted ]
tox/o [ poison ]
toxic/o [ poison ]
trache/o [ trachea (windpipe)  ]
trans- [ across; through  ]
traumat/o [ trauma, injury, wound ]
trem/o, tremul/o [ shaking, trembling ]
-tresia [ opening ]
tri- [ three ]
trich/o [ hair ]
trigon/o [ trigone (area within the bladder)  ]
tri/o [ to sort out, sorting  ]
-tripsy [ to crush  ]
troph/o [ nourishment; development  ]
-trophy [ nourishment; development (condition of)  ]
-tropia [ to turn  ]
-tropic [ turning ]
-tropin [ stimulate; act on  ]
tub/o [ tube  ]
tumesc/o, -tumescence [ swelling  ]
tympan/o [ tympanic membrane (eardrum); middle ear  ]
-type [ classification; picture  ]
typhl/o [ cecum, blindness  ]
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Medical Calculators - A thru Z
Lab Values - A thru Z