... threshold for impairment of endurance corresponds to temperatures that induced heat responses at rest. Exercise Metabolism Thermoneutral zone Hyperthermia Natural Sciences and Engineering Research Council of Canada http://dx.doi.org/10.13039/501100000038 RGPIN-2018-05707...

... Summary: Exposure of deer mice to conditions simulating peak summer disrupts body temperature and reduces activity and body mass; daytime heat exposure may have detrimental impacts that persist at cooler night-time temperatures. Climate change Hyperthermia Thermal plasticity Thermoregulation...

... how animals persist in hot environments and how heat tolerance and evaporative cooling capacity have evolved in response to climate and with organismal traits ( Czenze et al., 2020b ; Dawson, 1954 ; Tieleman et al., 2002 ; Weathers, 1981 ). Among birds and mammals, hyperthermia tolerance...

.... Cricetid High air temperatures Water balance Hyperthermia Metabolism National Science Foundation http://dx.doi.org/10.13039/100000001 DEB 1457524 DEB 1457742 Physiological ecologists have shown a long-standing interest in the ability of small mammals to cope with the hot and arid...

... in their reliance on panting, gular flutter or cutaneous evaporation for evaporative heat dissipation. Body temperature Evaporative water loss Gular flutter Hyperthermia Metabolic rate Panting The physiology of temperature regulation in wild birds has been of significant interest to comparative...

... causes heat coma, a trait varying in temperature between drosophilids, but neural failure is not the primary cause of heat mortality. CNS Heat death Spreading depolarisation Heat sensitivity Hyperthermia Thermal tolerance Thermal tolerance is one of the most important traits defining...

... to that seen in songbirds. Body temperature Evaporative water loss Hyperthermia Psittaciformes Respiratory evaporative water loss Resting metabolic rate Arid environments dominate the Australian landscape, covering almost half of the continent's total land area ( Fisher et al., 1972...

... a at 40°C and mild hyperthermia occurring as T a reached the HTL. Nighthawks and poorwills reached HTLs of 60 and 62°C, respectively, whereas the owlet-nightjar had a HTL of 52°C. RMR increased gradually above minima at T a of 42, 42 and 35°C, and reached 1.7, 1.9 and 2.0 times minimum resting values...

... Evaporative water loss Hyperthermia Passeriformes Respiratory evaporative water loss Resting metabolic rate Summary: Five Australian passerines show evaporative cooling mechanisms qualitatively similar to those of other members of the Passeriformes, but have reduced heat tolerance compared...

... of a relatively low body temperature under extreme heat conditions. Body temperature Columbiformes Cutaneous evaporative water loss Hyperthermia Passeriformes Respiratory evaporative water loss The defense of a body temperature ( T b ) set point below environmental temperature is possible only...

... temperature combined with desiccating conditions and highly unpredictable water and food resources impose severe constraints on the maintenance of energy and water balance ( Dawson and Bartholomew, 1968 ; Dawson and Schmidt-Nielsen, 1964 ; Serventy, 1971 ). The challenges of avoiding lethal hyperthermia...

... evaporative cooling capacity ( N =10 per site per season); the maximum T a birds tolerated before the onset of severe hyperthermia ( T b ≈44°C) was considered to be their hyperthermia threshold T a ( T a,HT ). Our data reveal significant seasonal acclimatisation of heat tolerance, with a desert population...

...), sociable weaver ( Philetairus socius , M b ≈25 g) and white-browed sparrow-weaver ( Plocepasser mahali , M b ≈40 g). Birds were exposed to a ramped profile of progressively increasing T a , with continuous monitoring of behaviour and T b used to identify the onset of severe hyperthermia. The maximum T...

... for examining deleterious consequences of O 2 reperfusion with possible application for therapeutic treatment of stroke or heart attack. * Author for correspondence ( ecrodriguezp@gmail.com ) 7 5 2012 6 8 2012 © 2012. 2012 fruit fly hyperthermia insect oxidative stress...

... input pathway to the Mauthner neurons. Although this cannot be ruled out, it is notable that two skin sensory pathways that activate swimming do not appear to be activated by hyperthermia. For example, the electrically excitable skin cells, which are known to activate swimming ( Roberts and Smyth, 1974...

...Catherine Gaitanaki; Michalis Mastri; Ioanna-Katerina S. Aggeli; Isidoros Beis SUMMARY In the present study the activation of p38 mitogen-activated protein kinase(p38-MAPK) and c-Jun N-terminal kinases (JNKs) by hyperthermia was investigated in the isolated perfused Rana ridibunda heart...

... oxidative stress levels during hyperthermia. In a recovery-time series, heat-induced hypoxia and subsequent reoxygenation upon return of the fishes to 12°C led to increased protein oxidation and chemiluminescence rates within the first 12 h of recovery, therein resembling ischemia/reperfusion injury...

..., which remained elevated for at least 60 min, whereas Cd 2+ induced a maximal kinase activation within 60 min of treatment. Hypothermia (4°C) induced a moderate kinase phosphorylation (maximised at 30 min), whereas hyperthermia (30°C) induced a rapid (within 15 min) p38-MAPK phosphorylation that remained...

... the hypothesis that hyperthermia causes tendon cell death and results in tendon central core degeneration. Tendon fibroblasts cultured from the core of the equine SDFT were subjected to a temperature of 45 °C in an in vitro system for 0–180 min, and cell survival fraction was measured and compared...

... respiratory pattern chicken hyperthermia © 1985 by Company of Biologists 1985 13 11 1984 ...