Torpor

Article

January 24, 2022

Torpor is a state of vital signs that occurs in some animals. It is one of the adaptations that allow animals to overcome adverse living conditions. The definition of torpor varies in publications. It is an adaptation of some species of birds (eg hummingbirds) and mammals, especially small species, eg marsupials, rodents (dormouse) and bats. During the torpor, the metabolism is reduced and the body temperature is significantly reduced, which helps the animals to save energy and survive the period of cold or lack of food. The torpor is a condition of regulated hypothermia lasting only a certain part of the day. It is accompanied by a significant reduction in the value of metabolism, respiratory depression and heart rate. Physical activity is also reduced. It is usually caused by external environmental influences, especially ambient temperature or insufficient water and food. When caused mainly by high ambient temperatures, the body temperature drops below 30 ° C. This state of rest is used by animals to cope with cold weather. During attenuation, an individual is able to save much more energy than during an active lifestyle, which is important for maintaining a higher body temperature. The torpor is a controlled physiological state, so the process is not interrupted thermoregulation. "

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