Definition
Word roots are the fundamental parts of medical terms that contain the core meaning, usually derived from Greek or Latin. They often refer to a body part, organ, or system.
A combining form is a word root plus a vowel (usually "o") that makes it easier to add suffixes or other roots. The combining vowel helps with pronunciation when the next part of the word starts with a consonant.
Example
Let's break down the medical term "cardiology":
- Word root:
- "cardi" (from Greek "kardia" meaning "heart")
- Combining form:
- "cardi/o" (word root "cardi" + combining vowel "o")
- Suffix:
Step-by-step construction:
$ \text{cardi} $
$ \text{cardi} + o = \text{cardio} $
$ \text{cardio} + \text{logy} = \text{cardiology} $
Meaning:
"Cardiology" means the study of the heart.