单词 | poikilothermy |
释义 | poikilothermyn. Zoology and Physiology. The state or property of being poikilothermic; inability to regulate body temperature in response to changes in ambient temperature except by behavioural means (e.g. burrowing or basking); contrasted with homoeothermy. Occasionally (Medicine): = poikilothermia n. ΘΚΠ the world > animals > animal body > general parts > internal organs and systems > [noun] > thermogenesis > being of varying body temperature poikilothermism1903 poikilothermia1921 poikilothermy1939 1939 Nature 22 Apr. 684/1 Torpidity [in hummingbirds] appears to be a temporary poikilothermy, rather similar to that already described for bats. 1968 D. W. Wood Princ. Animal Physiol. viii. 122 Social methods of overcoming the disadvantages of poikilothermy are also found. Larvae of the butterfly Vanessa cluster together in the cold. 1990 Crit. Care Nursing Clinics N. Amer. 2 375 The sequelae of spinal cord injury, including denervation atrophy and paralysis, glucose intolerance, skin and wound breakdown, poikilothermy, anemia, respiratory paralysis, [etc.]. 1998 Jrnl. Anat. 193 495 Further evidence for poikilothermy in the naked mole-rat is indicated by the presence of pigment containing cells in the dermis rather than the epidermis. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1939 |
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