Medical Terminology Prefixes #5

Medical Term Free Premed Student Guide

Learn how to memorize the Em, Epi, Exo, Fore, and Hyper’s Medical Term Prefix meaning defintion in today’s Medical Terminology Course video for Pre-Med and Nursing Students.

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Medical Terms Prefixes Memorized

  • em- = on
  • epi- = following
  • exo- = outside
  • fore- = front
  • hyper- = beyond

The key idea with being able to memorize med terms and vocabulary words is the create pictures for those words.


Just take both the picture for the word and the picture for the definition and visualize an interaction between the two like we did above.

em- = on

em- = M&M
on = on top

Story: Stacking M&M on top of each other

Term Use
embolism = Obstruction or occlusion of a vessel by an embolus
[Medical Dictionary for the Health Professions and Nursing © Farlex 2012]

epi- = following

epi- = elephant happy (smiling)
following = after

Story: The elephants were happily following each other

Term Use
epidemic = occurring suddenly in numbers clearly in excess of normal expectancy
[Dorland’s Medical Dictionary for Health Consumers. © 2007 by Saunders]

exo- = outside

exo- = xo (love)
outside = outdoors

Story: She loved (X’s and O’s) being outdoors

Term Use
exotoxin = a toxin that is secreted or excreted by a living microorganism
[Mosby’s Medical Dictionary, 9th edition. © 2009, Elsevier.]

fore- = front

fore- = forehead
front = fro on front side

Story: Fro was growing on the front side of his head on his forehead

Term Use
forearm = the portion of the upper extremity between the elbow and the wrist
[Mosby’s Medical Dictionary, 9th edition. © 2009, Elsevier.]

hyper- = beyond

hyper- = hat on viper
beyond = bee beyond joy

Story: Viper with hat was very energetic after a bee stung it

Term Use
hyperalkalinity = A condition of excessive alkalinity
[Medical Dictionary, © 2009 Farlex and Partners]

That’s It! You now know how to memorize Em, Epi, Exo, Fore, and Hyper Medical Term Prefixes! Just review a little bit and you will have these words fully memorized come test day.

Remember that if you’re a Pre Med or Nursing Student studying to do well on your exams to get into medical school, the Medical Terminology Mastery Book will teach you the creative memorization techniques to turn Suffixes, Prefixes, Abbreviations, and any medical vocabulary root word into an easy to learn mnemonic. 

Subjects and Topics Featured in the book include:

> Philosophy, Chemistry, Biochemistry, Genetics, Microbiology, Cell Physiology
> Human Physiology, Physiology, Kinesiology & Health Sciences (KHS), Robbins Pathology, Osteopathic, Anesthesiology, First Aid
> Nervous System, Neurology, Psychology, Psychiatry, Brain
> Anatomy, Muscular, Skeletal, Cardiovascular, Cardiology, Pulmonology
> Metabolism, Immunology, Reproduction, Dermatology
> Radiology, Surgery, Pediatrics, Ophthalmology, Hematology-Oncology (Heme/Onc)
> Renal, GI, Endocrine, MS and more…

Also, be sure to watch and review more Medical Terminology Course Videos Right Here

See the Medical Terminology Dictionary List Here

Medical Term Free Premed Student Guide

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Memory Master Superhuman Luis Angel Blank

Luis Angel Echeverria
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