Choudhury, Santasree ; De, Tapas K. ; Maiti, B. R. ; Ghosh, Asok (1982) Circadian rhythm in blood sugar and adrenomedullary hormonal concentrations in an avian and a reptilian species General and Comparative Endocrinology, 46 (1). pp. 110-112. ISSN 0016-6480
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/001664...
Related URL: http://dx.doi.org/10.1016/0016-6480(82)90169-1
Abstract
The aim of the present investigation was to ascertain the circadian rhythm in the concentration of blood glucose and adrenal medullary hormones in the parakeet and the turtle. These substances were measured four times (0600, 1200, 1800, and 2400 hr) over a 24-hr period. The concentration of blood glucose and adrenal adrenaline and noradrenaline was higher during the day (0600 through 1800 hr) than that noted at night (2400 hr). The pattern of fluctuation was almost similar in both the animal species. The finding suggests that there is a clear circadian rhythm in the concentration of these substances in the parakeet and the turtle, and that this may be due to fluctuation in the activity of the animals.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 28032 |
| Deposited On: | 15 Dec 2010 12:34 |
| Last Modified: | 11 Feb 2011 09:28 |
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