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.

Anotace

/urine: coordinate with HEMOGLOBINURIA

DUI

D006443 MeSH Prohlížeč

CUI

M0010117

CAS

Hemoglobin A2

Předchozí užití

Hemoglobins (1966-1976); Hemoglobin A (1977-1978)

Historická pozn.

91(79); was see under HEMOGLOBIN A 1979-90

Veřejná pozn.

91; was see under HEMOGLOBIN A 1979-90