monocyte
noun
mono·cyte
ˈmä-nə-ˌsīt 
: 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
What's more, inside the plaques themselves, the number of monocytes was cut by 81%, compared with untreated mice, and the genes that normally drive inflammation inside the arterial walls were dialed down.
—
New Atlas, 26 Aug. 2025
Activation of the protein leads to rapid mobilization of immune cells, including gd T cells, monocytes and neutrophils, which induce inflammation.
—Hannah Millington, MSNBC Newsweek, 13 Aug. 2025
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 vessels become increasingly fragile, allowing for the leakage of the likes of inflammation mediators and some immunity cells, like monocytes or macrophages.
—Jennifer Weil, WWD, 14 Jan. 2025
Right after inducing heart attacks in mice, scientists observed increased activity of immune cells called monocytes that can cause increased sleep, but saw no such activity in mice who were left alone.
—Lisa Rapaport, EverydayHealth.com, 1 Nov. 2024
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New Atlas, 26 Aug. 2025
Activation of the protein leads to rapid mobilization of immune cells, including gd T cells, monocytes and neutrophils, which induce inflammation.
—Hannah Millington, MSNBC Newsweek, 13 Aug. 2025
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 vessels become increasingly fragile, allowing for the leakage of the likes of inflammation mediators and some immunity cells, like monocytes or macrophages.
—Jennifer Weil, WWD, 14 Jan. 2025
Right after inducing heart attacks in mice, scientists observed increased activity of immune cells called monocytes that can cause increased sleep, but saw no such activity in mice who were left alone.
—Lisa Rapaport, EverydayHealth.com, 1 Nov. 2024
Cite this Entry
“Monocyte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monocyte. Accessed 31 Oct. 2025.
Copy CitationKids Definition
monocyte
noun
mono·cyte
ˈmän-ə-ˌsīt
: 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
monocyte
noun
mono·cyte
ˈmän-ə-ˌsīt
: 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
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