Effect of exposure to cold on plasma and adrenal epinephrine and norepinephrine levels
| Control rats (n = 7) | Stressed rats (n = 7) | |
| Plasma levels (nm) | ||
| Epinephrine | 43.6 ± 3.2 | 62.8 ± 2.3* |
| Norepinephrine | 364.4 ± 12.5 | 495.2 ± 15.8* |
| Adrenal levels (nmol/mg protein) | ||
| Epinephrine | 27.8 ± 1.0 | 20.5 ± 1.1* |
| Norepinephrine | 4.8 ± 0.2 | 2.9 ± 0.2* |
↵*p < 0.01 compared with control rats.