The page below is a sample from the LabCE course Medical Terminology in the Histology Laboratory. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Medical Terminology in the Histology Laboratory (online CE course) »
How to Subscribe
Histology CE Package$65 Add to cart
Individual course$20 Add to cart


Prefixes are added to the front of a word root to provide additional information. They help to explain or add meaning to the rest of the term.

Prefixes can be used to indicate:
  • Location
  • Color
  • Number
  • Size
  • Position
  • Time
  • The absence of something
  • Miscellaneous indicators