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Hemoglobin
//ˌhimoʊˈɡloʊbɪn// noun
Definitions
Noun
- 1 The iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin), and haem (a porphyrin ring with an atom of iron at its centre). US, countable, uncountable
- 2 a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues wordnet
Etymology
Originally hematinoglobulin, from hematin (from Ancient Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in).
See also for "hemoglobin"
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