| natural |
Produced or existing in nature; not artificial or manufactured.
출처: science.education.nih.gov/supplements/nih2/chemica...
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|---|---|
| natural immunity |
Immunity due to innate genetical characters.
출처: www.pestmanagement.co.uk/lib/glossary/glossary_n.s...
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| natural selection |
the process by which genetic traits are passed on to each successive generation. Over time, natural selection helps species become better adapted to their environment. Also known as "survival of the fittest," natural selection is the driving force behind the process of evolution.
출처: www.pbs.org/strangedays/glossary/N.html
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| natural killer cells |
NK cells. A type of white blood cell that contains granules with enzymes that can kill tumor cells or microbial cells. Also called large granular lymphocytes.
출처: www.seniormag.com/conditions/cancer/cancerglossary...
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| natural radioactivity |
The radioactive decay that occurs naturally, as opposed to induced radioactivity. Also known as spontaneous fission.
출처: xenon.che.ilstu.edu/genchemhelphomepage/glossary/n...
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