red blood cell
noun
variants
or less commonly red blood corpuscle
or red cell
or red corpuscle
: any of the hemoglobin-containing cells that carry oxygen to the tissues and in mammals are typically biconcave disks which lack a nucleus and cellular organelles and are formed from nucleated cells of the red bone marrow
Note: The number of red blood cells ranges from four to six million in each cubic millimeter of normal human blood. The red color of blood is due to the presence of hemoglobin within the red blood cells.
called also erythrocyte
compare white blood cellExamples of red blood cell in a Sentence
Recent Examples on the Web
If blood loss leads to anemia (low numbers of healthy red blood cells) or hypotension (low blood pressure), medication or a blood transfusion can restore blood volume.
—
Michael Menna, Verywell Health, 28 Oct. 2024
Growing a baby requires a lot of extra blood—about 20% more red blood cells by the end of 9 months—to support the developing fetus and the placenta that nourishes it.
—Bycatherine Offord, science.org, 24 Oct. 2024
Blood transfusions: If your iron levels are dangerously low, a blood transfusion from a blood donor can quickly increase red blood cells and iron levels.
—Lindsay Curtis, Health, 5 Nov. 2024
The team found that stem cells were reacting to the retrotransposon explosion by switching on key proteins involved in antiviral immune responses—which in turn was causing these cells to multiply and, in some cases, turn into red blood cells.
—Bycatherine Offord, science.org, 24 Oct. 2024
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Michael Menna, Verywell Health, 28 Oct. 2024
Growing a baby requires a lot of extra blood—about 20% more red blood cells by the end of 9 months—to support the developing fetus and the placenta that nourishes it.
—Bycatherine Offord, science.org, 24 Oct. 2024
Blood transfusions: If your iron levels are dangerously low, a blood transfusion from a blood donor can quickly increase red blood cells and iron levels.
—Lindsay Curtis, Health, 5 Nov. 2024
The team found that stem cells were reacting to the retrotransposon explosion by switching on key proteins involved in antiviral immune responses—which in turn was causing these cells to multiply and, in some cases, turn into red blood cells.
—Bycatherine Offord, science.org, 24 Oct. 2024
See all Example Sentences for red blood cell
Dictionary Entries Near red blood cell
Cite this Entry
“Red blood cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20blood%20cell. Accessed 22 Nov. 2024.
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