hemoglobin S


Definition of hemoglobin S 

: an abnormal hemoglobin that occurs in the red blood cells in sickle cell anemia and sickle-cell trait

First Known Use of hemoglobin S

1954, in the meaning defined above

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The first known use of hemoglobin S was in 1954

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hemoglobin S


Medical Definition of hemoglobin S 

: an abnormal hemoglobin occurring in the red blood cells in sickle cell anemia and sickle cell trait and differing from hemoglobin A in having a valine residue substituted for the glutamic-acid residue in position 6 of two of the four polypeptide chains making up the hemoglobin molecule

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