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 |