Blood eosinophils

safaTerkawi

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2022-08-06

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Blood eosinophils

Have agranular cytoplasm
Are about a quarter of all leukocytes
Are relatively abundant in the mucosa of the respiratory, urinary and alimentary tracts
Release cytokines.
Increase in number in viral infections

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safaTerkawi

2022-08-07

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A. False They have eosinophilic granules (eosinophilic granulocytes).

B. False Only 1–4 per cent of white cells are eosinophils.

C. True They are involved in mucosal immunity.

D. True Interleukin 4 and platelet activating factor (PAF).

E. False Their number increases in parasitic infections and allergic conditions.

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