: a large white blood cell with finely granulated chromatin dispersed throughout the nucleus that is formed in the bone marrow, enters the blood, and migrates into the connective tissue where it differentiates into a macrophage

Examples of monocyte in a Sentence

Recent Examples on the Web
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The experiment uncovered that just one night of sleep deprivation resulted in a disruption in immune cells, or monocytes, in these participants, similar to what was observed in obese participants. SLEEPY DURING THE DAY? Angelica Stabile, Fox News, 26 Feb. 2025 Blood samples were taken to measure cytokines and chemokines, signaling proteins that help regulate inflammation and immune activity, and monocytes, white blood cells that help fight infection and heal damage. New Atlas, 25 Feb. 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1913, in the meaning defined above

Time Traveler
The first known use of monocyte was circa 1913

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Cite this Entry

“Monocyte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monocyte. Accessed 26 Mar. 2025.

Kids Definition

: a large white blood cell that is formed in the bone marrow and travels to the connective tissues where it develops into a macrophage

Medical Definition

: a large white blood cell with finely granulated chromatin dispersed throughout the nucleus that is formed in the bone marrow, enters the blood, and migrates into the connective tissue where it differentiates into a macrophage

More from Merriam-Webster on monocyte

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