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[新生早期成熟和未成熟出生动物化学体温调节机制]

[Mechanisms of chemical thermoregulation in mature and immature-born animals at an early postnatal age].

作者信息

Petrova O P

出版信息

Fiziol Zh SSSR Im I M Sechenova. 1986 Feb;72(2):239-45.

PMID:3699189
Abstract

The energy contribution of motor activity and gray fat to the total heat production was studied in 3-4-day old mice Acomys cochirinus and Wistar rats at ambient temperatures 37 degrees C, 34 degrees C and 30 degrees C. At lower ambient temperature, the motor activity and the total heat production were found to increase. A significant positive correlation was found among the motor activity, total heat production and temperature of the gray fat tissue. The latter exceeded the rectal temperature by 0.6-1.0 degrees C in all animals in all conditions. The 3-4-day old animals produce more heat per unit of motor activity than the 8-10-day old animals.

摘要

在环境温度为37℃、34℃和30℃的条件下,对3 - 4日龄的金仓鼠(Acomys cochirinus)和Wistar大鼠进行了研究,以探讨运动活动和灰色脂肪对总产热的能量贡献。发现在较低的环境温度下,运动活动和总产热均增加。运动活动、总产热与灰色脂肪组织温度之间存在显著的正相关。在所有条件下,所有动物的灰色脂肪组织温度均比直肠温度高0.6 - 1.0℃。3 - 4日龄的动物每单位运动活动产生的热量比8 - 10日龄的动物多。

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