人类体温调节反应与核心体温的关系。
Thermoregulatory responses as a function of core temperature in humans.
作者信息
Cabanac M, Massonnet B
出版信息
J Physiol. 1977 Mar;265(3):587-96. doi: 10.1113/jphysiol.1977.sp011732.
Abstract
- Six healthy humans were immersed sequentially in baths maintained at a steady temperature of either 28 +/- 1 or 38-8 +/- 1 degree C. 2. Metabolic heat production was calculated by respiratory gas analysis. A ventilated capsule was placed on the forehead and sweat secretion was calculated from psychrometric recordings. Convective heat loss from one hand to water-perfused glove provided a continuous measurement of vasomotor response. 3. Heat production, sweating, and vasomotor heat loss were proportional to core temperature. 4. Sweating and vasomotor response were parallel. Vasoconstriction was complete, before the onset of shivering. 5. The thresholds for heat loss and heat production were superimposed, without a 'dead band' core temperature.
摘要
- 六名健康受试者依次浸入温度稳定维持在28±1℃或38.8±1℃的浴池中。2. 通过呼吸气体分析计算代谢产热。在前额放置一个通风胶囊，并根据湿度记录计算出汗量。一只手与水灌注手套之间的对流热损失可连续测量血管运动反应。3. 产热、出汗和血管运动性热损失与核心温度成正比。4. 出汗和血管运动反应是平行的。在寒战开始前血管收缩完全。5. 热损失和产热的阈值相互叠加，不存在“死区”核心温度。
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