cytokine
noun/ˈsaɪtoʊkaɪn/
Frequency rank: #17,549 of 20,003 in the WORDED list (wordfreq data)
Meaning
A small protein secreted by cells that regulates immune responses and cell signaling.

Example sentence
During an infection, each cytokine released by immune cells helps coordinate the body's response.
Synonyms & related words
- immunomodulator
- mediator
More words in ranks 17,501–17,600
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