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DeCS
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Descriptor English:
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Hemoglobin A2
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Descriptor Spanish:
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Hemoglobina A2
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Descriptor Portuguese:
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Hemoglobina A2
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Synonyms English:
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A2, Hemoglobin
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Tree Number:
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D12.776.124.400.405.450
D12.776.422.316.762.380.450
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Definition English:
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An adult hemoglobin component normally present in hemolysates from human erythrocytes in concentrations of about 3%. The hemoglobin is composed of two alpha chains and two delta chains. The percentage of HbA2 varies in some hematologic disorders, but is about double in beta-thalassemia. |
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Indexing Annotation English:
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/urine: coordinate with HEMOGLOBINURIA
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History Note English:
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91(79); was see under HEMOGLOBIN A 1979-90
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Allowable Qualifiers English:
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Record Number:
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22191
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Unique Identifier:
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D006443
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Occurrence in VHL:
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Similar:
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DeCS
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