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Brewer, K. J., & Ensor, D. M. (1980). Hormonal control of osmoregulation in the chelonia ii. the effect of prolactin and corticosterone on testudo graeca. General and Comparative Endocrinology, 42(3), 310–314. 
Added by: Admin (06 Jan 2014 18:24:08 UTC)
Resource type: Journal Article
DOI: http://dx.doi.org/10.1016/0016-6480(80)90160-4
BibTeX citation key: Brewer1980a
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Categories: General
Keywords: Physiologie - physiology, Schildkröten - turtles + tortoises, Testudinidae, Testudo graeca
Creators: Brewer, Ensor
Collection: General and Comparative Endocrinology
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Abstract     
Testudinidae Comparisons of the composition of ureteral and bladder urine in the tortoise Testudo graeca suggest that the bladder is a major site of ionoregulation. Prolactin produces a reduction in urine volume, and a rise in potassium and magnesium urine concentrations in intact animals. Hypophysectomy caused a depression in plasma sodium levels which was not associated with a change in plasma water content. This change was not corrected by either prolactin or corticosterone but was exacerbated by a combination of two hormones. This effect may be due to an increase in water uptake. In hydrated animals the prolactin effect was reversed and an increase in urine volume was observed.
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