Biologically Active Substance
hemoglobin M
Subclass of:
Abnormal Hemoglobins
Definitions related to hemoglobin m:
  • A group of abnormal hemoglobins in which amino acid substitutions take place in either the alpha or beta chains but near the heme iron. This results in facilitated oxidation of the hemoglobin to yield excess methemoglobin which leads to cyanosis.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • An abnormal hemoglobin assay is a device consisting of the reagents, apparatus, instrumentation, and controls necessary to isolate and identify abnormal genetically determined hemoglobin types.
    Standard Product Nomenclature
    U.S Food & Drug Administration, 2003
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