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Science 5 June 1970:
Vol. 168. no. 3936, pp. 1232 - 1234
DOI: 10.1126/science.168.3936.1232
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Articles

Quantitation of Strain BALB/c Mouse Peritoneal Cells

Emma Shelton 1, Sylvia Daves 1, and Rosalyn Hemmer 1

1 National Cancer Institute, Bethesda, Maryland

Total and differential counts of the peritoneal cells of male and female BALB/c mice aged 10 days to over 2 years demonstrate that the increase in cell number that occurs in mice over 2 months old is due entirely to an increase in lymphocytes. The number of peritoneal macrophages in BALB/c females is maintained at a constant level for 22 months. The stability of the macrophage population in contrast to the increase in numbers of lymphocytes suggests that the body pools of these two cell types are not related.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)