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Word of the Day Wednesday, June 10, 2026

histiocyte

/hɪˈstaɪsɪt/ noun · British & US
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What does histiocyte mean?

noun

A type of immune cell that plays a key role in the body's defense against infection and disease. Histiocytes are a subset of macrophages and are involved in the phagocytosis of foreign particles and the presentation of antigens to T-cells.

Example

"The histiocytes in the patient's tissue sample were found to be highly active, indicating a strong immune response."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for histiocyte

Rhymes with histiocyte