Friday, June 22, 2012

Medical Terminology (Rules and Examples)

Nursing is really exciting. Of all the subjects in Nursing, the one that takes me into lighter load is my Medical Terminology class because I will just have to familiarize the prefixes and suffixes from its root in order to come up with the desired meaning of the terms or the words.

I take down notes as my teacher goes along with the discussion and here are the essential things that I have written.

Medical Terminology-words/terms make up the language of medicine
-majority of items are based in Latin and Greek
-serves as a universal language

Four Parts:
1. stem/root - gives the essential meaning of the term
2. prefix - added to the beginning of the term
3. suffix - placed after a word
4. linking of combining vowels - connects roots to suffixes or roots

Word Building:
1. Knowing how to divide a medical term
2. Knowing the meaning of the term's components
Examples: Dermat/o/logy - derm (root), o (combining vowel), Logy (suffix)
dermat = skin and logy = sutdy of, therefore, dermatology is the study of skin

Combining Form
-combination of root and combining vowel
Example: Gastroenterology = the combination forms of gastro and entero

Rules on some exceptions on combining forms and combining vowels

*For suffixes like -ic, -ac, -itis or begins with a vowel, the combining vowel is dropped.
*Words ending in -ic and -ac are adjectives and mean "pertaining to"
Example: Gastric = Gastr/ic _ pertaining to the stomach

*Keeping a combining vowel between two root words, even if the second root word begins with a vowel.
Example: Gastroenteritis = Gastr/o/enter/itis

Basic Rules in Word Building
1. Read the suffix to the beginning of the word and then across.
2. Drop the combiing vowel before the suffic starts with a vowel.
3. Keep the combining vowel between word roots, even when the second root begins with a vowel.
4. The combining vowel has no meaning. It is an important connector between roots and suffixes. The letter "o" is usually the combining vowel found in the medical term.
5. The combining vowel helps you divide the term into its parts.
6. The combining vowel makes a complete word that can be pronounced easily.

Prefix
-comes before the root
-not all medical term contains a prefix
-divided into categories of meaning depending on how they modify the stem, such as location, time, amount, color, negation, size or position.

A. Location
intra- in, inside
endo - inside within
peri - around, surrounding
ec/ecto - out, outside
em/en - inside or within
retro/post - behind
sub/hypo - under
inter - between


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