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red blood cell
noun
- Physiology. one of the cells of the blood, which in mammals are enucleate disks concave on both sides, contain hemoglobin, and carry oxygen to the cells and tissues and carbon dioxide back to the respiratory organs. : RBC
red blood cell
red blood cell
- Any of the oval or disc-shaped cells that circulate in the blood of vertebrate animals, contain hemoglobin, and give blood its red color. The hemoglobin in red blood cells binds to oxygen for transport and delivery to body tissues, and it transports carbon dioxide, excreted as a metabolic waste product, out of the tissues. The red blood cells of mammals have no nucleus, while those of other vertebrates do contain nuclei. Red blood cells are formed in the bone marrow.
- Also called erythrocyte
Word History and Origins
Origin of red blood cell1
A Closer Look
Example Sentences
The treatment increased the percentage of red blood cells in the mice’s blood, which is a sign of treating anemia.
Then the parasite bursts into the bloodstream, infecting red blood cells and causing symptoms like fever, headache or chills.
High temperatures and pressures helped forge an unusual structure within one piece of trinitite, in a grain of the material just 10 micrometers across — a bit longer than a red blood cell.
That’s partly because the chimp malaria parasites can’t find the blend of sialic acids they seek on human red blood cells.
These patients also had schistocytes, which are broken and damaged red blood cells that ordinarily carry oxygen throughout the body.
A red blood cell having no hemoglobin is also called a ghost.
The sediment contains a few hyaline and finely granular casts and an occasional red blood-cell.
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