Pineal involvement in the control of behavioral thermoregulation of the white sucker,Catostomus commersoni
โ Scribed by Kavaliers, Martin ;Ralph, Charles L.
- Publisher
- John Wiley and Sons
- Year
- 1980
- Tongue
- English
- Weight
- 200 KB
- Volume
- 212
- Category
- Article
- ISSN
- 0022-104X
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โฆ Synopsis
Abstract
White suckers select a higher body temperature at night and a lower temperature during daytime. Removal of the pineal organ eliminated their diel rhythm of behavioral thermoregulation. After pinealectomy fish failed to select a lower daytime temperature. These results suggest that the pineal organ is involved in the control of behavioral thermoregulation of this teleost fish.
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## Abstract Removal of the pineal organ from the lake chub, __Couesius plumbeus__, had significant effects on circadian locomotor activity. In fish kept in continuous darkness the absolute length of the circadian period was significantly altered; the variability of the period was increased; and ult