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Dictionary Meaning and Definition on 'Anemia'

Anemia Meaning and Definition from WordNet (r) 2.0
    anemia n
  1. a deficiency of red blood cells [syn: anaemia]
  2. a lack of vitality [syn: anaemia]
  3. genus of terrestrial or lithophytic ferns having pinnatifid fronds; chiefly of tropical America [syn: genus Anemia]
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Wikipedia Meaning and Definition on 'Anemia'

Anemia (pronounced /əˈniːmiə/, also spelled anaemia and anæmia; from Ancient Greek ἀναιμία anaimia, meaning lack of blood) is a decrease in number of red blood cells (RBCs) or less than the normal quantity of hemoglobin in the blood. However, it can include decreased oxygen-binding ability of each hemoglobin molecule due to deformity or lack in numerical development as in some other types of hemoglobin deficiency.

Because hemoglobin (found inside RBCs) normally carries oxygen from the lungs to the tissues, anemia leads to hypoxia (lack of oxygen) in organs. Because all human cells depend on oxygen for survival, varying degrees of anemia can have a wide range of clinical consequences.

Anemia is the most common disorder of the blood. There are several kinds of anemia, produced by a variety of underlying causes. Anemia can be classified in a variety of ways, based on the morphology of RBC's, underlying etiologic mechanisms, and discernible clinical spectra, to mention a few. The three main classes of anemia include excessive blood loss (acutely such as a hemorrhage or chronically through low-volume loss), excessive blood cell destruction (hemolysis) or deficient red blood cell production (ineffective hematopoiesis).

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Anemia Sample Sentences in News

  • Little iron fish help fight anemia
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  • Research and Markets: Chemotherapy Induced Anemia Global Clinical Trials Review, H1, 2014
    Research and Markets has announced the addition of the "Chemotherapy Induced Anemia Global Clinical Trials Review, Read more on this news related to 'Anemia'
  • Common Virus May Cause Anemia in Patients with Kidney Disease
    * Kidneys from most patients with chronic kidney disease were positive for active cytomegalovirus infection. * Patients with higher levels of anti-cytomegalovirus antibodies in their blood had lower number of red blood cells. * Cytomegalovirus blocks a protein needed to make a hormone that in turn stimulates red blood cell production. Read more on this news related to 'Anemia'

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