| betaine |
A substance that may serve as a precursor to choline.
출처: www.enzy.com/glossary/searchresults.asp
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| beta blocker |
A drug that reduces the rate and force of the heart's pumping action to reduce its oxygen needs.
출처: www.womensheartfoundation.org/content/Help/glossar...
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| beta sheet |
(beta pleated sheet) A secondary protein structure in which two or more extended polypeptide chains are hydrogen-bonded to one another in a planar array; the "pleats" are formed by angles of bonds in the peptide chains. In addition there is a left-handed twist between adjacent strands when looking at right angles to the strand direction. The beta strands in a sheet can be arranged to form parallel, antiparallel or mixed sheets.
출처: xray.bmc.uu.se/~kenth/bioinfo/glossary.html
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| beta-blocker |
a group of medications that act to block ? or ? (or both) adrenergic receptors in the nervous system. Beta-blockade slows the heart rate, reduces blood pressure and reduces anxiety. Beta-blockers are also used in the treatment of angina, heart arrhythmias, high blood pressure, mitral valve prolapse and other conditions.
출처: www2.med.umich.edu/psychiatry/umdc/defquery.cfm
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| betatron |
A machine in which electrons are accelerated in a circular orbit before being deflected onto a target to produce high energy X-rays. This type of equipment usually operates at energies between 10 and 31 MEV.
출처: www.ndt.net/article/az/rt/rt.htm
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