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Keywords: Hyperthermia
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Journal Articles
J Exp Biol (2022) 225 (13): jeb244166.
Published: 7 July 2022
... for several hours to each air temperature setpoint. Dehydration Evaporative cooling Hyperthermia Metabolic heat production National Research Foundation http://dx.doi.org/10.13039/100011512 119754 Quantifying interspecific and intraspecific variation in the thermoregulatory...
Journal Articles
J Exp Biol (2022) 225 (5): jeb243131.
Published: 4 March 2022
... lethal hyperthermia ( Table 3 ). Overall, we found that desert cricetids have a very limited ability to cool evaporatively and are unable to maintain a T a – T b gradient of more than a few degrees Celsius. We also found limited seasonal variation in evaporative cooling ability, with winter animals...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (Suppl_1): jeb229211.
Published: 24 February 2021
..., but also vary substantially among taxa that differ 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...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (13): jeb218750.
Published: 10 July 2020
... nervous system 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...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (6): jeb168930.
Published: 23 March 2018
.../ Highlighted Article: Australian parrots from arid environments have a high capacity to utilize evaporative heat dissipation to defend body temperature in hot conditions. Thermal tolerance is similar to that seen in songbirds. Body temperature Evaporative water loss Hyperthermia Psittaciformes...
Journal Articles
J Exp Biol (2017) 220 (19): 3488–3498.
Published: 1 October 2017
... 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...
Journal Articles
J Exp Biol (2017) 220 (13): 2436–2444.
Published: 1 July 2017
... in heat tolerance and evaporative cooling capacity. Body temperature Evaporative water loss Hyperthermia Passeriformes Respiratory evaporative water loss Resting metabolic rate * Author for correspondence ( aemckechnie@zoology.up.ac.za ) Competing interests The authors declare...
Journal Articles
J Exp Biol (2016) 219 (14): 2145–2155.
Published: 15 July 2016
... 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...
Journal Articles
J Exp Biol (2016) 219 (14): 2137–2144.
Published: 15 July 2016
..., is surprisingly inefficient, and suggestive of heavy reliance on respiratory rather than cutaneous heat dissipation. Body temperature Critical thermal maximum Evaporative water loss Hyperthermia Pterocliformes Upper critical limit of thermoneutrality Deserts represent some of the most...
Journal Articles
J Exp Biol (2016) 219 (6): 859–869.
Published: 15 March 2016
... 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...
Journal Articles
J Exp Biol (2015) 218 (11): 1705–1714.
Published: 1 June 2015
...), 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...
Journal Articles
J Exp Biol (2012) 215 (23): 4157–4165.
Published: 1 December 2012
... 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...
Journal Articles
J Exp Biol (2009) 212 (15): 2356–2364.
Published: 1 August 2009
... ramps with a sequence of C-start responses in which the body arced through ∼130° in 22 ms,followed by high frequency swimming. These results suggest that high temperature activates the Mauthner neurons to trigger C-start escape behaviour. Fig. 6. The skin impulse is resistant to hyperthermia...
Journal Articles
J Exp Biol (2008) 211 (15): 2524–2532.
Published: 1 August 2008
...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...
Journal Articles
J Exp Biol (2006) 209 (2): 353–363.
Published: 15 January 2006
... 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...
Journal Articles
J Exp Biol (2005) 208 (23): 4427–4436.
Published: 1 December 2005
..., 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...