1. Terms may be composed of a root + suffix.
| Medical Term | Root | Meaning | Suffix | Meaning |
| carcinoma | carcin(o) | crab | oma | tumor |
| sarcoma | sarc(o) | flesh | oma |
tumor |
| cerebral | cerebr | brain | al | pertaining to |
2. Terms may be composed of a prefix + a root.
| Medical Term | Prefix | Meaning | Root | Meaning |
| neoplasm | neo | new | plasm | growth, formation |
| biped | bi | two | ped |
foot |
| dysfunction | dys | difficult, painful | function | normal action |
3. Terms may be composed of a prefix + a root + a suffix.
| Medical Term | Prefix | Meaning | Root | Meaning | Suffix | Meaning |
| hypoglycemia | hypo | under | glyc | sugar | emia | blood |
| encephalitis | en | in | cepahl |
head | itis | inflammation of |
| pericarditis | peri | around | card | heart | itis | inflammation of |
4. Some medical terms are composed of two roots.
| Medical Term | Root | Meaning | Root | Meaning |
| biostatistics | bio | life | statistics | numerical facts |
| erythroblast | erythr(o) | red | blast |
germ cell |
| microfilm | micr(o) | small | film |
Click here for a set of posttest questions.