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histiocyte

histiocyte

9.9
A cell in body tissue that eats bacteria and dead cells to help the immune system
  • noun
  • /ˈhɪstəˌsaɪt/
  • Specialized
translation icon : histiocito
  • The histiocytes in the tissue sample indicated an active immune response to the infection.
  • histiocytes and plasma cells
  • histiocytes and eosinophils
  • histiocytes and lymphocytes

Examples

  • Much less frequently, micro-organisms have been identified within histiocytes in the lesion.

    Academic text (2003)
  • Some of the histiocytes displayed emperiopolesis (engulfment) of lymphocytes (Figure 4).

    Academic text (1998)
  • In microscopic section, we may expect evidence... ...of fatty degeneration in cells... ...with polymorphs and histiocytes around them.

  • In such cases, the histiocytes are mixed with eosinophils, lymphocytes, plasma cells, and neutrophils.

    Academic text (2002)
  • In addition, multinucleated, histiocyte-like cells were found interspersed between the spindle cells (figure 2).

    Academic text (2001)
  • Histology will reveal the presence of histiocytes, eosinophils, plasma cells, lymphocytes, and neutrophils.

    Academic text (2002)
  • The hallmark finding is a mixed inflammatory reaction including neutrophils, eosinophils, lymphocytes, and histiocytes.

    Academic text (2009)
  • An acute infiltrate consisting of lymphocytes, histiocytes, neutrophils, and eosinophils may be found around superficial and deep blood vessels.

    Academic text (2007)
  • Immunohistochemical analysis demonstrates that the histiocytes display a strongly positive reaction to S-100, OKT6, CD4, CD68, and factor XIIIa.

    Academic text (1998)
  • Pathologic examination revealed skin with a dense dermal infiltrate consisting of histiocytes in a sinusoidal pattern surrounded by plasma cells and lymphocytes (Figure 3).

    Academic text (1998)

Synonyms

macrophage
vshistiocyte
  • Specialized
7 6.7

A large white blood cell that eats and removes germs and dead cells

is a specific type found in connective tissue rather than general blood cell
leukocyte
vshistiocyte
  • Specialized
3 5.4

A white blood cell that helps the body fight infection by eating bacteria and fungi

is a specific connective tissue immune cell rather than any white blood cell
phagocyte
vshistiocyte
  • Specialized
1 8.1

A cell that eats and destroys bacteria and dead cells to help the body's immune system

is more general whereas the other is a tissue specific member
scavenger cell
vshistiocyte
  • Specialized
1 5.8

A tiny part of the body that eats dead tissue and germs to help fight infection

is a connective tissue resident rather than a general immune cell

Surface Forms

histiocyte singular
histiocytes plural

Morphology

histiocyte = histi + cyte

Formed from specialized combining forms 'histi-' (tissue) and '-cyte' (cell) that are not standalone English words, so an average B1 learner cannot derive the meaning from the parts.

Etymology

Histiocyte comes from Greek parts histio- meaning 'tissue' and -cyte meaning 'cell'. So a histiocyte is literally a 'tissue cell' that lives in body tissue and helps clean up debris and fight infection.