| alpha ray |
A 4 He nucleus. It is made up of two neutrons and two protons. It is the least penetrating of the three common forms of radiation, being stopped by a thin sheet of paper. It is not dangerous to living things unless the alpha-emitting substance is inhaled or ingested or comes into contact with the lens of the eye.
출처: www.lbl.gov/abc/wallchart/glossary/glossary.html
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| alpha-fetoprotein |
a protein produced by a developing fetus that is present in amniotic fluid and, in smaller amounts, in a pregnant woman's blood. Abnormal levels of AFP found in a blood test between the 15th and 18th weeks of pregnancy can indicate abnormalities in the fetus.
출처: www.holyname.org/health_information_resources/heal...
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| alpha-fetoprotein |
A test that assesses the risk (does not diagnose) of neural tube defects and Down Syndrome. Usually given between the 15-20 weeks; preferred at 16 weeks.
출처: pregnancytoday.com/reference/library/glossary.htm
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| Alphavirus |
One of the four genera of Togaviridae; includes EEEV, WEEV, and Venezuelan equine encephalomyelitis virus. All replicate in arthropod vectors including mosquitoes.
출처: duke.usask.ca/~misra/virology/stud2004/wee2/glossa...
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| alpha |
)-helix A rod-like structure within proteins, formed when the chain of amino acids forming the protein turns regularly around itself. Alpha-helices and beta ( )-sheets are major determinants of protein structure.
출처: www.bseinquiry.gov.uk/report/volume2/glossary.htm
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