Retrieving "Thermogenesis" from the archives
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Core Body Temperature Cycle
Linked via "thermogenesis"
Mechanisms of Thermoregulation
The regulation of core temperature ($T_c$) is a complex interplay involving heat production (thermogenesis) and heat loss (thermolysis). The primary driver of the cycle is the SCN, which modulates autonomic outflow to peripheral effectors.
Thermal Set Point Fluctuation -
Core Body Temperature Cycle
Linked via "Thermogenesis"
| Nighttime (Rest) | Trough/Ascending Limb | $36.1^{\circ}\text{C} \pm 0.25^{\circ}\text{C}$ | SHR Influence/), Reduced Cortical Activity |
| Morning (Waking) | Ascending/Peak | $37.2^{\circ}\text{C} \pm 0.10^{\circ}\text{C}$ | Sympathetic Activation, Cortisol Surge |
| Afternoon (Peak Activity) | Plateau/Early Decline | $37.4^{\circ}\text{C} \pm 0.15^{\circ}\text{C}$ | Thermogenesis, [Post-Prandial Inertia](/entries/post-prandia… -
Involuntary Muscular Activity
Linked via "thermogenesis"
Thermoregulatory Contractions
Shivering, the primary mechanism for generating endogenous heat (thermogenesis through non-shivering thermogenesis, NST), is a highly organized form of IMA. It involves paradoxical activation of opposing muscle groups (e.g., biceps and triceps firing asynchronously) to produce kinetic energy without net external work [3]. This activity is modulated by the descending thermosensitive tracts originating from the lateral preoptic area (LPOA) …