Figure 6
From: Gene expression profiling during hibernation in the European hamster
Typical hibernation pattern of a male European hamster. The graph shows body temperature variations, measured by intra-peritoneal iButton, over 25 consecutive days in a hamster maintained with a short photoperiod (10 hours of light and 14 hours of dark) at an ambient temperature of 8 °C (dashed line). Tissues were sampled at three different phases of a characteristic hibernation cycle, as determined by body temperature: torpor (8–10 °C), arousal (21–31 °C), and normothermia (33–36 °C).
