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Medical terminology is composed of a prefix, root word, and suffix:
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.
Additional resources:   [Intro to med terms] [Med terms rules] [Med term reference] [Word building reference]  [Practice Exams]

Alphabetical Listing of Med Terms

a b c d e f g h i j k l m
n o p q r s t u v w x y z

Med terms ‘K’- medical suffix-prefix

This section deals with all med terms beginning with a letter 'K'. It features a medical suffix, prefix for the terms, and a list of medical roots.

kal/i   potassium
kary/o   nucleus
kel/o   tumor, fibrous growth
kerat/o   cornea; hard, horny tissue
keraun/o   lightning
kern-   nucleus (collection of nerve cells in the brain)
ket/o   ketones; acetones
keton/o   ketones; acetones
kines/o   movement
kinesi/o   movement
-kinesis   movement
klept/o   to steal
koil/o   hollow, concave, depressed
kraur/o   dry
kym/o   waves
kyph/o   humpback

Additional Resources

Check out the following resources to support your learning and understanding of medical terminology:

  • Quick Introduction- provides an overview and introduction to 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.
  • Medical Terms – rules governing singular versus plural versions of medical terms are described.
  • Medical Terminology Exams- twenty new exams were created to test your knowledge of medical terminology.


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