单词 | plasma |
释义 | plasma From Longman Dictionary of Contemporary English, Microbes, genetics, biochem, Astronomy, Electricity, Biology, Chemistry Humanplasmaplas‧ma /ˈplæzmə/ noun [uncountable]1 HBHHBMthe yellowish liquid part of blood that contains the blood cells2 HBM technical the living substance inside a cell SYN protoplasm3 HAHPE technical a gas that contains about the same numbers of positive and negative electric charges and is found in the Sun and most starsExamples from the Corpusplasma• This yellow coloration is also visible in serum and plasma specimens in vitro.• Six subjects did not consent to a glucose tolerance test and tolerance was determined from fasting plasma glucose and insulin concentrations.• Occasionally, a substantially increased platelet or white cell count may lead to apparent increases in plasma potassium concentration.• In blood, the majority is found in erythrocytes with only minor quantities in plasma or serum.• The importance of the plasma triglyceride concentration as a risk factor for coronary heart disease in the general population is still uncertain.• It can be seen that human sweat is actually hypotonic ie it contains a lower salt concentration than the plasma.• Once it is absorbed, calcium is added to plasma.Origin plasma (1700-1800) Late Latin “something shaped”, from Greek, from plassein; → PLASTIC2 |
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