| natural history |
the understood course of a medical condition, usually with a wide range of severity between affected individuals
출처: medical.lpaonline.org/glossary/
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| natural killer cells |
(NK cells). A type of lymphocyte that does not carry the markers to be B cells or T cells. Like cytotoxic T cells, they attack and kill tumor cells and protect against a wide variety of infectious microbes. They are "natural" killers because they do not need additional stimulation or need to recognize a specific antigen in order to attack and kill. Persons with immunodeficiences such as those caused by HIV infection have a decrease in "natural" killer cell activity. ...
출처: www.aidsinfobbs.org/letters/n.html
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| natural childbirth |
Childbirth without the use of medical pain relief.
출처: www.laborcompanions.com/definitions.htm
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| natural |
of an off-white or beige color.
출처: www.apparelsearch.com/glossary_n.htm
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| natural killer cell |
A lymphocyte which, unlike other lymphocytes, does not require specific activation by foreign antigen. They are considered to play a "front line" role in controlling infection, curbing infection until a specific, coordinated immune response can be mounted.
출처: counsellingresource.com/distress/chronic/cfs/gloss...
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