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Table 2 Scoring system for the histopathological analysis of spleen sections

From: Immunosenescence in a captive semelparous marsupial, the red-tailed phascogale (Phascogale calura)

Score Size of the white pulp (atrophy) Presence of germinal centers Size of the follicles Width of the marginal zone
1 > 40% of field 1–9% of follicles < 15% of field 3–6 cells
2 26–40% of field 10–19% of follicles 16–30% of field 7–10 cells
3 11–25% of field 20–29% of follicles 31–50% of field 11–15 cells
4 < 10% of field > 30% of follicles > 50% of field > 15 cells