hemoglobin
nounUS /ˌhimoʊˈɡloʊbɪn/ · UK /ˌhiːmə(ʊ)ˈɡləʊbɪn/
Etymology Originally hematinoglobulin, from hematin (from Ancient Greek αἷμα (haîma, “blood”) + -in) + -o- + globulin (from Latin globus (“ball, sphere”) + -in).
1
US 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).
- Derived terms
- apohemoglobin, carbonylhemoglobin, carboxyhemoglobin, deoxyhemoglobin, ferrihemoglobin, flavohemoglobin, glycohemoglobin, hemoglobinase, hemoglobinization, hemoglobinize, hemoglobin Lepore, hemoglobinometry, hemoglobinopathy, hemoglobinous, hemoglobinuria, hypohemoglobinemia, Mediterranean-hemoglobin E disease, methemoglobin, myohemoglobin, nonhemoglobin, oxyhemoglobin, sulfhemoglobin
- Related terms
- globulin, haematin