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Med. Term. 1-3

Negative Prefixes

a-, an- not, without, lack of, absence (ex. anhydrous: lacking water)
anti- against (ex. antidote: substance produced by the body that counteracts a foreign material)
contra- against, opposite (ex. contraindicated: against recommendations; not advisable)
de- down, without, removal, loss (ex. decalcify: remove calcium)
dis- absense, removal, separation (ex. dissect: to separate tissues for anatomical study)
in-, im-, (used before b, m, p) not (ex. incontinent: not able to contain or control discharge of excretions
non- not (ex. noncontributory: not significant; not adding informatin to a medical diagnosis)
un- not (ex. uncoordinated: not working together; not corrdinated)
Created by: tyemishu320