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Criteria for histological evaluation of mineral deposits in the ovine brain specimen using Kossa staining
| Degree of alteration (score points) | ||||
|---|---|---|---|---|
| Aspect | No pathology (0) | Mild (1) | Moderate (2) | Severe (3) |
| Mineral deposits | None | 1 to 20a | 20 to 50a | >50a |
| Distribution (factor for multiplication) | ||||
| Distribution of deposits | focal: x1 | multifocal: x2 | diffuse: x3 | |
aRefers to microscopic field of view at ×10 magnification
