The effects of chronic exposure to environmental salinity on the ultrastructure of the secretory cells in the lingual salt glands of juvenile freshwater- and saltwater-acclimated C. porosus
| Ultrastructual measurement . | FW-acclimated group . | SW-acclimated group . | P value . |
|---|---|---|---|
| Volume density of mitochondria (μm3 μm–3) | 0.0736±0.00543 | 0.0908±0.00193 | 0.024* |
| Volume density of intercellular space (μm3μm–3) | 0.0544±0.00573 | 0.0611±0.009 | 0.546 |
| Surface density of plasma membrane (μm2μm–3) | 1.0580±0.0809 | 1.1260±0.1570 | 0.714 |
| Number of cell nuclei per μm2 | 0.0054±0.0007 | 0.00356±0.00024 | 0.046* |
| Ultrastructual measurement . | FW-acclimated group . | SW-acclimated group . | P value . |
|---|---|---|---|
| Volume density of mitochondria (μm3 μm–3) | 0.0736±0.00543 | 0.0908±0.00193 | 0.024* |
| Volume density of intercellular space (μm3μm–3) | 0.0544±0.00573 | 0.0611±0.009 | 0.546 |
| Surface density of plasma membrane (μm2μm–3) | 1.0580±0.0809 | 1.1260±0.1570 | 0.714 |
| Number of cell nuclei per μm2 | 0.0054±0.0007 | 0.00356±0.00024 | 0.046* |
Values are means ± s.e.m. (N=4). *Significant difference between treatments (P<0.05)