t3.docx - Cell functions A brief indication of the functions of the various cell groups follows(see Table 1 Neutrophil granulocytes with segmented

t3.docx - Cell functions A brief indication of the...

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Cell functions. A brief indication of the functions of the various cell groups follows (see Table 1). Neutrophil granulocytes with segmented nuclei serve mostly to defend against bacteria. Predominantly outside the vascular system, in “inflamed” tissue, they phagocytose and lyse bacteria. The blood merely transports the granulocytes to their site of action. The function of eosinophilic granulocytes is defense against parasites; they have a direct cytotoxic action on parasites and their eggs and larvae. They also play a role in the down-regulation of anaphylactic shock reactions and autoimmune responses, thus controlling the influence of basophilic cells. The main function of basophilic granulocytes and their tissue-bound equivalents (tissue mast cells) is to regulate circulation through the release of substances such as histamine, serotonin, and heparin. These tissue hormones increase vascular permeability atthe site of various local antigen activity and thus regulate the influx of the other inflammatory cells. The main function of monocytes is the defense against bacteria, fungi, viruses, and foreign bodies. Defensive
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  • Spring '18
  • Mr. kanor
  • white blood cell, Color Atlas of Hematology

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