haemoglobin
n.
substance in red blood cells which conveys oxygen from the lungs to body tissues
Hemoglobin
Hemoglobin, also spelled haemoglobin and abbreviated Hb, is the
iron-containing
oxygen-transport
metalloprotein in the
red blood cells of the
blood in
vertebrates and other animals. In
mammals the protein makes up about 97% of the red cell’s dry content, and around 35% of the total content (including water). Hemoglobin transports oxygen from the
lungs or
gills to the rest of the body, such as to the
muscles, where it releases its load of oxygen. Hemoglobin also has a variety of other gas-transport and effect-modulation duties, which vary from species to species, and may be quite diverse in
invertebrates.
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Haemoglobin
haemoglobin
Noun
1. 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; "fish have simpler hemoglobin than mammals"
(synonym) hemoglobin, Hb
(hypernym) hemoprotein, haemoprotein
(hyponym) oxyhemoglobin, oxyhaemoglobin
(substance-holonym) red blood cell, RBC, erythrocyte
(substance-meronym) heme, haem, hematin, haemitin, protoheme
Hämoglobin (das)
n.
hemoglobin, substance in red blood cells which conveys oxygen from the lungs to body tissues