Glossary Of Terms Starting With
-N-

Select the first letter of the term you are looking for:
ABCDEFGHIJKLMNOPQRSTUVWXYZ

Medical definitions of terms starting with 'N'

NAC:
N-acetyl-l-cysteine.  A sulfur compound that is a precursor of glutathione.
Nail Fold:
See Cuticle.
Nail Folds:
See Cuticle.
Nanogram:
0.000000001 or a billionth of a gram.
Nanoliter:
0.000000001 or one billionth of a liter.
Nasal:
Related to the nose.  For example, nasal passages or nasal congestion.
Natriuretic:
Agent causing sodium to be excreted into the urine.
Natural Killer Cells:
An important first line of defense against newly arising malignant cells and cells infected with viruses, bacteria, and protozoa.  They form a distinct group of lymphocytes with no immunological memory and are independent of the adaptive immune system.  Natural Killer Cells constitute 5 to 16% of the total lymphocyte population.  Their specific function is to kill infected and cancerous cells.
Naturopath:
See Naturopathy.
Naturopathic:
See Naturopathy.
Naturopaths:
See Naturopathy.
Naturopathy:
Medical practice using herbs and other various methods to produce a healthy body state by stimulating innate defenses without the use of drugs.

More medical terms starting with 'N'

Nephrolithiasis:
Presence of kidney stones or gravel.
Nervous Bladder:
Tendency to urinate in response to emotion stress.
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More medical terms starting with 'N'

Neuroleptic:
A therapeutic agent which produces a state of altered awareness and tranquilization.
Nevi:
See Mole.
Nevus:
See Mole.
ng:
See Nanogram.
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More medical terms starting with 'N'

NIH:
National Institutes of Health.
NK:
See Natural Killer Cells.
NK Cells:
See Natural Killer Cells.
nL:
See Nanoliter.
nmol:
See mol.
NTD:
Neural Tube Defects, also known as Spina Bifida.
NYHA:
Often NYHA guidelines: New York Heart Association guidelines specifying degrees of heart failure.

Stage I – no effect on physical performance.
Stage II – performance of patient under major stress is decreased.
Stage III – performance affected even during normal activity but not during rest.
Stage IV – symptoms during rest, no physical stress is possible, patient must remain in bed.
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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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