GlobalRPh Medical Terminology Section

Prefixes and Suffixes Medical Terminology

Negative Prefixes


a-

Without, not, no

apnea (without breathing) Note: When a is used as a prefix it means “without, not, no”; a can also be used as a suffix.

 

an-

Without, not, no

anesthesia (without feeling)

 

ana-

Not,

without anaplasia (without formation or development)

 

anti-

Against

antidote (a drug or other substance that opposes [works against] the action of a poison)

 

contra-

Against

contraceptive (any device or technique that prevents [works against] conception)

 

dis-

Free of, to undo

discharge (to release a substance or object [to free it from its location])

 

im-

Not

impotence (an adult male’s inability [not able] to achieve penile erection)

 

in-

In, inside, within, not

incompetent (not capable)negative prefixes

 

non-

Not

noninvasive (pertaining to a diagnostic or therapeutic technique that does not require the skin to be broken [not invaded] or a cavity or organ to be entered)


 

Increasing your understanding of medical terminology

Word Building Reference– This resource strengthens your understanding of medical terminology. See how common medical terms are created using the various prefixes, suffixes, and root words.

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Medical Terminology Intuitive Section Medical Terminology- terms with negative prefixe
This section was developed for ‘speed learning’ of medical terminology.

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Additional references:

Prefixes denoting numbers
Prefixes denoting position and/or direction
Prefixes denoting measurement
Medical Terminology Noun Suffixes
Combining forms for color
Common Prefixes
Adjective Suffixes
Specialties and specialists med terms
Instruments, surgical, and diagnostic procedures
Negative prefixes
Common suffixes


Quick Introduction– provides an overview and introduction to medical terminology.
Medical Terms – rules governing singular versus plural versions of medical terms are described.