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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

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n o p q r s t u v w x y z

Med terms ‘L’- medical terms list

Medical terminology is composed of a prefix, root word, and suffix. It is used to precisely describe the human body components, processes, illnesses, medical procedures, and pharmacology. Medical terminology is used in the field of medicine, and clinical settings. This section features a medical terms list with terms beginning with letter 'L'.

Check out the new section

This section was developed for 'speed learning' of medical terminology. Start by reviewing the meanings for a block of medical terms, and then go back and choose a previous term randomly and try to recall the meaning of that particular medical term before hovering over the term to determine the answer. These frequent mini-tests will accelerate the learning process and in a relatively short period of time, you will be able to quickly recall the meaning of all of the listed medical terms. This method of learning is superior to flash cards because of the frequent exposure and testing of your recall.

-labile   unstable, perishable
labi/o   lip
lacrim/o   tear; tear duct; lacrimal duct
lact/o   milk
lal/o, -lalia   speech, babble
lamin/o   lamina
lampr/o   clear
lapar/o   abdominal wall; abdomen
-lapse   to slide, fall, sag
laryng/o   larynx (voice box)
later/o   side
lecith/o   yolk, ovum
lei/o   smooth
leiomy/o   smooth (visceral) muscle
-lemma   sheath; covering
lepid/o   plakes, scales
lepr/o   leprosy
-lepsy   seizure
lept/o   thin, slender
-leptic   to seize, take hold of
leth/o   death
leuk/o   white
levo-   left
lex/o   word; phrase
-lexia   word; phrase
lien/o   spleen
ligament/o   ligament
ligat/o   binding, tying
lim/o   hunger
lingu/o   tongue
lip/o   fat; lipid
-lipsis   omit, fail
-listhesis   slippage e.g. vertebral slippage conditions
lith/o   stone, calculus
-(o)lithiasis  Compound suffix:  condition or presence of stones
-lithotomy   incision (for removal) of a stone
lob/o   lobe
logad/o   whites of the eyes
-logist   specialist
log/o   study
-logy   study (process of)
loph/o   ridge
lord/o   curve; swayback
lox/o   oblique, slanting
-lucent   to shine
lumb/o   lower back; loin
lumin/o   light
lute/o   yellow
lux/o   to slide
lymph/o   lymph
ly/o   to dissolve, loosen
lymphaden/o   limph gland (node)
lymphangi/o   lymph vessel
-lysis   breakdown; separation; destruction; loosening
-lytic   to reduce, destroy, separate; breakdown

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.
Med terms ‘L’- medical terms list