| argon laser |
The argon laser is filled with argon gas that produces blue/green wavelengths. These particular wavelengths are absorbed by the cells that lie under the retina and by the red hemoglobin in blood, but the blue-green wavelengths can pass through the fluid inside the eye without damage. For this reason, the argon laser is used extensively in the treatment of diabetic retinopathy, a severe disorder of the retina that causes blood vessels to leak. ...
출처: www.visionrx.com/library/enc/enc_lasers.asp
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| Arg |
the metal silver, shown as white in heraldic illustration
출처: www.burkes-peerage.net/sites/common/sitepages/hera...
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| argyria |
The discoloration of the skin caused by the effects of silver jewelry on the skin in healing piercings.
출처: www.eventsboard.com/body_jewelry_terms.htm
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| argon |
Argon, #18 on the periodic table, is colorless and odorless, like all of the noble gases. It has an atomic mass of 39.948 amu, and its electron levels are 2-8-8. Ar was discovered by Lord Rayleigh and Sir W. Ramsay in England. It melts at 83.95 K, and boils at 87.45 K. Many people don't realize that argon makes up a full 1% of our atmosphere, while carbon dioxide is only a fraction of a percent of our atmosphere. ...
출처: www.wro.org/ras/glossary/a-c.htm
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| Argyll Robertson pupil |
a small, irregular pupil that does not react to light but does react to accommodation; associated with the effects of neurosyphilis on the midbrain
출처: www.tedmontgomery.com/the_eye/glossary/A.html
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