270 CHAPTER 6• Digestive System
Word Element Meaning Word Element Meaning
-logist specialist in the study of -stomy forming an opening (mouth)
-megaly enlargement -tome instrument to cut
-oma tumor -tomy incision
-osis abnormal condition; increase -tripsy crushing
(used primarily with blood cells)
-pepsia digestion
Prefixes
dia- through, across hyper- excessive, above normal
dys- bad; painful; difficult hypo- under, below, deficient
endo- in, within peri- around
epi- above, upon sub- under, below
extra- outside ultra- excess, beyond
Visit the Medical Language Lab atmedicallanguagelab.com.Use the flash-card–word
elements exercise to reinforce your study of word elements. We recommend you
complete the flash-card activity before starting the Word Elements Chapter Review
that follows.