Table 3.
Cation concentrations in the midgut of X. cheopis fleas at different times after a blood meal
| Cation | Concentration (mM) at: |
|
|---|---|---|
| 1 day | 6 days | |
| Mg | 0.14 | 0.10 |
| Ca | 0.14 | 0.30 |
| Fe | 3.6 | 2.0 |
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