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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
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b c
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j k
l m
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p q
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x y
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| lactase |
enzyme in small intestine need to
digest milk sugar or lactose |
| lactose |
sugar found in milk |
| laminectomy |
surgical procedure which includes
removal of a portion of the lamina, usually performed
to treat hernantion or spinal canal stenosis |
| Landau-Kleffner
Syndrome |
childhood disorder of unknown orign
that can be identified by gradual or sudden loss
of the ability to understand spoken language |
| laparascope |
thin tube with a tiny camera used
to look inside body and surface of organs. |
| laparascopic
lymph node sampling |
lymph nodes are removed through
a viewing tube, which is inserted through a small
incision in the abdomen |
| laparotomy |
surgical procedure that involves
an incisionin the lower abdominal cavity |
| laryngeal neoplasms
|
abnormal growth in
the larynx |
| laryngectomy |
surgery to remove part or all of the larynx
(voice box)
|
| larynx |
voice box |
| lavage |
process of cleaning of an organ
(usually stomach or bowels) |
| ligament |
flexible band of fibrous tissue
that binds joints together |
| lipid |
fatty substance in the blood |
| liver |
largest organ in the body, removes
toxins and makes bile |
| lobectomy |
removal of a lobe of a lung |
| local anesthesia
|
anesthetic injected into the site
of the operation to temporarily numb the area |
| low density lipoprotein
(LDL) |
blood with large amounts
of cholesterol |
| lumpectomy |
surgical procedure removing a tumor
or lump and sometimes surrounding tissue |
| lymphadenectomy
|
procedure in which lymph nodes are
taken from the body for diagnostic purposes |
| lymphocyte |
group of white blood cells |
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