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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
noun
- another name for erythrocyte
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
Next stop is manufacturing, where the blood is spun at high speeds to separate out red blood cells from plasma.
People with beta thalassaemia struggle to produce enough haemoglobin, which is the protein in red blood cells that carries oxygen around the body.
That forces the body to adapt by producing more oxygen-rich red blood cells, cells the athletes take with them when they return to lower levels, boosting performance by 1% to 2%.
Conditions like postpartum hemorrhage, which may require at least two units of red blood cells, can be deadly if not rapidly recognized and treated, Mr. Parra said.
Once the parasites reach maturity, they venture out into the bloodstream and infect red blood cells.
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