poikilotherm

poikilotherm definition - medical

poi·ki·lo·therm (poiˈkə-lə-thûrmˌ, poi-kĭlˈə-)

noun
An organism, such as a fish or reptile, having a body temperature that varies with the temperature of its surroundings; an ectotherm.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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