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 cell

Examples of red blood cell in a Sentence

Recent Examples on the Web Feta is high in several nutrients, including calcium and B12, a B vitamin essential for neurological (brain and nervous system) function, red blood cell production, metabolism, and DNA synthesis.3 Because feta is so flavorful, a little goes a long way. Jillian Kubala, Health, 1 July 2024 There are several concerns associated with heavier periods, one being anemia, which is when the red blood cells don’t have enough hemoglobin to supply oxygen to the tissues. Sandra Rose Salathe, Flow Space, 28 June 2024 Many genetic diseases affect only a specific cell type, such as red blood cells in sickle cell anemia, or specific tissue. John Timmer, Ars Technica, 13 June 2024 Gene editing therapy, on the other hand, involves changing the DNA in an individual’s stem cells to enable the cells to make healthy red blood cells. Elizabeth Ayoola, Essence, 18 June 2024 See all Example Sentences for red blood cell 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'red blood cell.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1850, in the meaning defined above

Time Traveler
The first known use of red blood cell was in 1850

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 12 Jul. 2024.

Kids Definition

red blood cell

noun
: a reddish cell of the blood that contains hemoglobin and carries oxygen from the lungs to the tissues

called also erythrocyte, red blood corpuscle, red cell, red corpuscle

Medical Definition

red blood cell

noun
: any of the hemoglobin-containing cells that carry oxygen to the tissues and are responsible for the red color of vertebrate blood

called also erythrocyte, red blood corpuscle, red cell, red corpuscle

compare white blood cell

More from Merriam-Webster on red blood cell

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