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. 1974 Jun;239(3):623–630. doi: 10.1113/jphysiol.1974.sp010585

Degeneration secretion of saliva in the rat following sympathectomy

Ursula Delfs, N Emmelin
PMCID: PMC1330961  PMID: 4152829

Abstract

1. After previous extirpation of the superior cervical ganglion saliva was found to flow from the cannulated submaxillary duct of rats under chloralose anaesthesia. The secretion started 13-14·5 hr after sympathectomy, increased gradually in rate and then slowed down and ceased, lasting for about 12 hr.

2. Injection of α- or β-adrenoreceptor blocking drugs reduced the flow and a combination of both types of drugs abolished it. It is concluded that the secretion was caused by noradrenaline released from the degenerating nerves, and that the phenomenon is an example of the degeneration activity described in other preparations as an effect of section of post-ganglionic autonomic nerves.

3. A similar, but less pronounced, secretion was found in the parotid gland of the rat.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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