poikilotherm


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poi·kil·o·therm

 (poi-kĭl′ə-thûrm′)
n.
An organism, such as a fish or reptile, having a body temperature that varies with the temperature of its surroundings.
[Greek poikilos, spotted, various; see peig- in Indo-European roots + -therm.]
poi′ki·lo·ther′mi·a (-thûr′mē-ə), poi′ki·lo·ther′my (-thûr′mē) n.
poi′ki·lo·ther′mic (-mĭk) adj.

poikilotherm

(ˌpɔɪkɪləʊˈθɜːm)
n
(Animals) an organism with poikilothermic qualities
adj
(Zoology) a variant form of poikilothermic
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.poikilotherm - an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
ectotherm
animal, animate being, beast, creature, fauna, brute - a living organism characterized by voluntary movement
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References in periodicals archive ?
In relation to the water physicochemical variables, the temperature indicates that the system had a low rate of soil/water heat exchange (low enthalpy), withstanding the stability of the biochemical processes between plants and poikilotherm animals and recognizing the nutrient fixation of great importance in this type of system.
A Rain Garden for Nitrogen Removal from Storm Runoff in Tropical Cities/Un jardin de lluvia para la remocion de nitrogeno de la escorrentia en ciudades tropicales
Body sizes of poikilotherm vertebrates at different latitudes.
GEOGRAPHIC VARIATION IN THE LIFE HISTORY AND MORPHOLOGY OF THE PACIFIC GEODUCK PANOPEA GENEROSA
marinum can infect poikilotherm animals in addition to aquatic animals.
A Case of Opportunity: M. marinum
Asgeirsson B, Fox J, Bjarnason J (1989) Purification and characterization of trypsin from the poikilotherm Gadus morhua.
Trypsin from jumbo squid (Dosidicus gigas) hepatopancreas: purification and characterization/Tripsina del hepatopancreas de calamar gigante (Dosidicus gigas): purificacion y caracterizacion/Tripsina do hepatopancreas de lula gigante (Dosidicus gigas): purificacao e caracterizacao
Effects of temperature on rates in poikilotherm nervous systems: evidence from the calling songs of meadow katydids (Orthoptera: Tettigoniidae: Orchelimum) and reanalysis of published data.
Effects of increasing temperature on acoustic advertisement in the Tettigoniidae
Among reported poikilotherm predators of Steller sea lions, only the Pacific sleeper shark (Somniosus pacificus) is known to have body core temperatures that are near ambient.
In cold blood: evidence of Pacific sleeper shark (Somniosus pacificus) predation on Steller sea lions (Eumetopias jubatus) in the Gulf of Alaska
Cadmium effects on mitochondrial function are enhanced by elevated temperatures in a marine poikilotherm, Crassostrea virginica Gmelin (Bivalvia: Ostreidae).
Tolerancia a la anoxia y defensas antioxidantes en el mejillon verde Perna viridis (Linneus, 1758) bajo exposicion aguda al cadmio
Their analysis demonstrates that cold exposure of a poikilotherm that naturally experiences environmental cooling involves the regulation of a very large number of genes.
DNA methylation, epigenetics, and evolution in vertebrates: facts and challenges
Lindsey, "Body sizes of poikilotherm vertebrates at different latitudes," Evolution, vol.
Climate-related variation in body dimensions within four lacertid species
In the early post hatching period, chicks act as poikilotherm and become fully homeotherm during the first 5 to 10 days after hatching (WEKSTEIN; ZOLMAN, 1971).
Thermal conditioning during the first week on performance, heart morphology and carcass yield of broilers submitted to heat stress/Condicionamento termico na primeira semana sobre o desempenho, morfometria cardiaca e rendimento de carcaca de frangos submetidos ao estresse por calor
The word homeotherm is used to describe the opposite of poikilotherm. Poikilothermic animals' body temperature varies in accordance with the ambient temperature of their environment.
The temperature of the human body
(52) It is noteworthy that both the mammalian as well as the bird embryo have poikilotherm metabolism till birth (homoeothermic condition is provided by parent organism).
Evoecotoxicology: the science concerned with the register in living organisms of the interactions with chemical and physical agents during the evolutionary process

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