Literaturdatenbank
Literaturdatenbank |
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Ray, P. P., Sarkar, S., Chaudhuri-Sengupta, S., & Maiti, B. R. (2009). Adrenomedullary and glycemic alterations following diverse stress in soft-shelled turtles lissemys punctata punctata bonaterre. Endocrine Research, 33(3), 119–127.
Added by: Admin (22 Feb 2009 11:56:30 UTC) |
| Resource type: Journal Article BibTeX citation key: Ray2009 View all bibliographic details  |
Categories: General Keywords: Lissemys, Lissemys punctata, Physiologie = physiology, Schildkröten = turtles + tortoises, Trionychidae Creators: Chaudhuri-Sengupta, Maiti, Ray, Sarkar Collection: Endocrine Research |
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| Abstract |
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The objective of the current investigation was to study adrenomedullary and glycemic responses to stress in soft-shelled turtles, Lissemys p. punctata. Dehydration (7 days) and formalin (formaldehyde 1%, 0.1 mL/100 g body wt. daily for 7 days) stress-stimulated adrenomedullary activity at histological (by increasing the nuclear diameter and degranulation of chromaffin cells) and hormonal levels (by elevations of norepinephrine and epinephrine concentrations) with hyperglycemia in turtles. But salt loading (NaCl: 1%, 1 mL/100 g body wt. daily for 7 days) had no significant effect on adrenomedullary activity or glycemia presumably owing to the nonresponsiveness of adrenocortical activity to salt stress in turtles. It is suggested that dehydration and formalin stresses might have exerted their actions through the hypothalamo (CRF)-hypophysial (ACTH)-adrenocortical axis in turtles.
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