1. Chapter I Basic Word Structure Rules for Learning Med Terms

2. Objectives Analyze words by dividing them into component parts Relate medical terms to the structure and function of the human body Learn the spelling and pronunciation of medical terms

3. Parts of a word Prefix- are added to the beginning of words –Not all words have prefixes –Examples: Sub-under, Epi- above, A-, An- no, not, without

4. Word Root Root- is the foundation of the term Words can have more than one root

5. Compound Word This is a word that contains more than one root.

6. Combining Vowel Combining Vowel- links the root to the other parts of the term The vowel is found at the end of the roots The usual vowel used is an “o”

7. Rules for Combining Vowels Combining vowels are kept between roots even if the second root begins with a vowel Combining vowels are dropped if the suffix begins with a vowel Combining vowels are kept when the suffix or second root begins with a consonant

8. Combining Forms If the suffix begins with a vowel drop the combining vowel from the word

9. Suffix Suffix-word ending Not all words end with a suffix

10. Suffix Words can contain more than one suffix Suffixes can be attached to only prefixes to create medical terms Combined suffixes are considered one suffix –Example: pathological has two suffixes “ic: and “al”

11. Word Parts Prefixes- Not all terms contain a prefix RootCombining Forms ( Root + Vowel) Combining Vowel- usually “o” Suffixes SubgastrGastr/oOic PrognosGnos/oOis DiagnosGnos/oOis

12. How to determine the meaning Start from the suffix and move back to the beginning of the word –Diagnosis- state of complete knowledge

13. Rules to remember… Read the meaning of the medical term from the back at the suffix then to the beginning of the term and across. Drop the combining vowel (usually “o”) before a suffix that begins with a vowel Keep the combining vowel between multiple roots even if the next root begins with a vowel Keep combining vowels if the ending begins with a consonant

14. Assignments Complete the following Chapter 1 Flash cards Work Sheet Set Textbook sections: –Practical applications –Exercises All –Pronunciation pages Ch 1