TABLE 1.
Reaction patterns. Weights assigned to each digestive gland and gill alteration.
| Digestive gland | — | Gill | |
|---|---|---|---|
| Alteration | Weight | Alteration | Weight |
| Tubule alterations | Cellular and morphological changes | ||
| Epithelial cell hyperplasia | 2 | Epithelial cell hyperplasia | 2 |
| Epithelial cell hypertrophy | 2 | Vacuolation | 1 |
| Brown cells | 1 | Hemocyte infiltration | 1 |
| Hemocyte infiltration | 1 | Granulocytoma | 2 |
| Lipofuscin aggregates | 1 | Lipofuscin aggregates | 1 |
| Necrosis | 3 | Fibrosis | 2 |
| Tubule regression | 2 | Necrosis | 3 |
| Intertubular tissue changes | Loss of epithelia | 3 | |
| Hemocyte infiltration | 1 | Lamellar fusion | 1 |
| Lipofuscin aggregates | 1 | Lamellar deformation | 1 |
| Brown cells | 1 | Epithelial detachment | 1 |
| Fibrosis | 2 | — | |
| Necrosis | 3 | — | |
| Granulocytoma | 2 | — | |