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Science 31 August 1962:
Vol. 137. no. 3531, pp. 682 - 683
DOI: 10.1126/science.137.3531.682
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Articles

Physiology of Acclimation to Low Temperature in Poikilotherms

Kandula Pampapathi Rao 1

1 Department of Zoology, Sri Venkateswara University, Tirupati, India

Potassium, sodium, and calcium increase and chloride, magnesium, and free amino acids decrease in cold acclimated fresh-water mussels and earthworms. Increased protein synthesis occurs.Neurosecretory cells of cold earthworms exhibit increased activity. Addition of cold worm body fluid stimulates increased O2 consumption by normal tissues, indicating that a hormonal agent triggers the sequence of changes.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)