phagocytic index


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phagocytic index

n.
Any of various indexes used to assess phagocytic activity, as by separating out phagocytes (neutrophils and macrophages) from a blood sample, incubating the phagocytes with bacteria, and determining the average number of bacteria ingested per phagocyte.
References in periodicals archive ?
The results were expressed as percentage of heterophils with bacteria and phagocytic index (PI), where PI = (the percentage of heterophils containing bacteria) x (the average number of bacteria per ingesting heterophil).
It was observed that phagocytosis became evident at significant levels at 9 h post infection, and the phagocytic index continued to increase thereafter (Fig.
virginica and Crassostrea gigas, high hemolymph protein and lysozyme levels were found during the period of high food availability (Chu & La Peyre 1989), and high hemocyte mortality and low phagocytic index were detected during the period of postspawning and high water temperature (Duchemin et al.
A high value of the phagocytic index indicates an increased efficiency of the immune system (Galloway & Depledge 2001).