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1. pertaining to or characterized by ectothermy.


(ĕk′tə-thûr′mĭk) also


Of or relating to an organism that regulates its body temperature largely by exchanging heat with its surroundings; cold-blooded.


(ek'to-therm?) [ ecto- + therm-] Cold-blooded animal.ectothermic (ek?to-ther'mik), adjective
References in periodicals archive ?
Kelley et al [71] observed that IGF-I activity is influenced by insulin in ectothermic vertebrate, Gillichthys mirabilis.
Studies of present-day animals have shown that endothermic animals are able to sustain much higher rates of energy use than ectothermic animals can.
Two of the most basic biological attributes for any ectothermic animal are the times of day that it is active and the body temperatures that it exhibits.
In her own preliminary studies of T rex bone, she has found growth rings, a characteristic of ectothermic animals (SN: 5/14/94, p.
Physiological basis for high C02 tolerance in marine ectothermic animals: pre-adaptation through lifestyle and ontogeny?
lepidus is directly cognizant of rain falling outside, even in temperatures not usually associated with active movement in ectothermic snakes.
A general rule for the dependence of developmental rate on temperature in ectothermic animals.
Immunity in ectothermic vertebrates differs in several ways from that of their mammalian counterparts.
This metabolic depression was only evident at 30[degrees]C, probably due to the high energetic requirement derived from the exponential relationship between temperature and metabolism in ectothermic animals.
For ectothermic animals, including snakes, this strategy often does not measure many important dimensions of the habitat.
According to Ruben, studies done to date have focused on factors only indirectly related to metabolism and therefore could not reveal whether an animal was ectothermic or endothermic.