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medical dictionary online
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Many terms frequently used in science and medicine
are derived from latin words. By combining the root
words with, prefixes and suffixes many of the meanings
of the terms can be deciphered.
Use the following resources to better understand
medical terms:
Medical
Roots or Stems
Prefixes commonly used
in medical terms
Suffixes commonly used
in medical terms
Complete Glossary of Medical Root Words
a
b c
d e
f g
h i
j k
l m
n o
p q
r s
t u
v w
x y
z
| obstruction |
blockage in the gastrointestinal
tract |
| occluded artery
|
an artery narrowed by plaque (effects
blood flow) |
| occult |
disease or systems not readily detectable
by physical exam |
| olfaction |
act of smelling |
| oncogenes |
genes that promote normal cell division |
| oncologist |
specializes in treatment and study
of cancer |
| orchiectomy |
surgical removal of the testicles |
| oropharynx |
part of the throat
in the back of the mouth |
| orthostatic
hypotension |
large decrease in blood pressure; may result
in fainting
|
| osteoblast |
cell found in bone |
| osteocyte |
cell found within the bone; its
function to help maintain bone as living tissue |
| otosclerosis
|
abnormal growth of bone in the inner
ear, which prevents structures within the ear
from working properly |
| ovaries |
pair of small glands, which egg
cells develop and are stored |
| ovulation |
release of a mature egg from an
ovary |
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