单词	hemoglobin
释义	hemoglobinhe‧mo‧glo‧bin /ˌhiːməˈɡləʊbɪn $ ˈhiːməˌɡloʊbɪn/ noun [uncountable] Word Origin WORD ORIGINhemoglobin Origin: 1800-1900 hematoglobulin ‘hemoglobulin’ (1800-1900), from hemat- ( ➔ HEMATOLOGY) + globulin Examples EXAMPLES FROM THE CORPUS Hemoglobin F, or fetal hemoglobin, is composed of two alpha chains and two gamma chains. 214. Glycosylated hemoglobin refers to the specific red cell hemoglobin A types to which a glucose molecule becomes irreversibly attached. In contrast to hemoglobin F, most hemoglobins will denature in alkaline solution and precipitate upon the addition of ammonium sulfate. Iron deficiency anemia, as evidenced by a high prevalence of low hemoglobin levels, was a widespread problem. Over a period of time changes in hemoglobin and haematocrit levels of the patient are observed. The greater the glucose concentration in the plasma, the greater the number of hemoglobin molecules that will become glycosylated. This usually occurs when the drop in hemoglobin or blood volume is acute. the American spelling of haemoglobin
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