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Medical Terminology Chapter 1
Terms in this set (16)
All medical terms have one or more roots.
The root provides the meaning of the word and is the foundation of the word .
The word pneumonia has the root pneumon-, meaning lung or air.
A combining vowel joins a root to another root or a root to a suffix.
Any vowel can be used.
A root plus a combining vowel creates a combining form.
The word pneumothorax has the root pneum/o-, meaning lung or air and the root thorax, meaning chest
Example: pneum + o pneum/o
A suffix is an element added to the end of a root or combining form to give it a new meaning.
If the suffix begins with a consonant, it must follow a combining vowel.
If the suffix begins with a vowel, no combining vowel is needed. DERMAT ITIS
a condition of
pneumonia, a condition (infection) of the lung
respiration, a process of breathing
A prefix is an element added to the beginning of a root or combining form to continue to expand the meaning of medical terms.
Prefixes never require a combining vowel.
Not every term has a prefix.
Occasionally a term may have 2 prefixes.
prefix + root
= premature, before the normal pregnancy
prefix + root
= postmature, after the normal pregnancy
unilateral, one side of the body
bilateral, two (both) sides of the body
perinatal, around the time of birth
epigastric, above the stomach
hypogastric, below the stomach
microcyte, small red blood cell
macrocyte, large red blood cell
When you see an unfamiliar medical term, first identify the suffix.
The suffix is -logist, one who studies and is a specialist in.
Cardi/o is the combining form for heart.
Use deconstruction to determine the meaning of the following word:
The suffix is -al, pertaining to; my/o is the combining form for muscle; and the root cardi means heart.
Some words that are pronounced the same are spelled differently and have different meanings.
ilium and ileum
mucus and mucous
Some words sound the same if incorrectly pronounced.
The term prostate refers to the gland at the base of the male bladder.
The term prostrate means to be physically weak or exhausted or to lie flat on the ground.
Plural endings for medical terms do not simply involve adding an "s."
Plural endings must be memorized.
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