Cholinergic and adrenergic innervation of lingual salt glands of the estuarine crocodile, Crocodylus porosus

Franklin, Craig E., Taylor, Greg and Cramp, Rebecca L. (2005) Cholinergic and adrenergic innervation of lingual salt glands of the estuarine crocodile, Crocodylus porosus. Australian Journal of Zoology, 53 6: 345-351. doi:10.1071/ZO05001


Author Franklin, Craig E.
Taylor, Greg
Cramp, Rebecca L.
Title Cholinergic and adrenergic innervation of lingual salt glands of the estuarine crocodile, Crocodylus porosus
Journal name Australian Journal of Zoology   Check publisher's open access policy
ISSN 0004-959X
Publication date 2005
Year available 2006
Sub-type Article (original research)
DOI 10.1071/ZO05001
Volume 53
Issue 6
Start page 345
End page 351
Total pages 7
Editor Dugald McGlashan
Place of publication Collingwood
Publisher CSIRO Publishing
Collection year 2005
Language eng
Subject C1
Abstract Many marine reptiles and birds possess extrarenal salt glands that facilitate the excretion of excess sodium and chloride ions accumulated as a consequence of living in saline environments. Control of the secretory activity of avian salt glands is under neural control, but little information is available on the control of reptilian salt glands. Innervation of the lingual salt glands of the salt water crocodile, Crocodylus porosus, was examined in salt water-acclimated animals using histological methods. Extensive networks of both cholinergic and adrenergic nerve fibres were identified close to salt-secreting lobules and vasculature. The identification of both catecholamine-containing and cholinergic neurons in the salt gland epithelium and close to major blood vessels in the tissue suggests the action of the neurotransmitters on the salt-secreting epithelium itself and the rich vascular network of the lingual salt glands.
Keyword Zoology
Vasoactive-intestinal-peptide
Duck Anas-platyrhynchos
Fresh-water Crocodile
Sea-turtle
Secreting Gland
Ion-transport
Blood-flow
Johnstoni
Stimulation
Receptors
Q-Index Code C1
Additional Notes Published: 6 January 2006

 
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Created: Wed, 15 Aug 2007, 07:42:35 EST