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大鼠交感神经切除术后唾液的变性分泌

Degeneration secretion of saliva in the rat following sympathectomy.

作者信息

Delfs U, Emmelin N

出版信息

J Physiol. 1974 Jun;239(3):623-30. doi: 10.1113/jphysiol.1974.sp010585.

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 alpha- or beta-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.
摘要
  1. 在先前切除颈上神经节后,发现在氯醛糖麻醉下大鼠的下颌下腺导管插管中有唾液流出。分泌在交感神经切除后13 - 14.5小时开始,速率逐渐增加,然后减慢并停止,持续约12小时。

  2. 注射α或β肾上腺素能受体阻断药物可减少唾液分泌,两种药物联合使用则可消除分泌。得出的结论是,分泌是由退化神经释放的去甲肾上腺素引起的,并且该现象是在其他制剂中所描述的节后自主神经切断效应的退化活动的一个例子。

  3. 在大鼠的腮腺中发现了类似但不太明显的分泌现象。

相似文献

8
Effect of adrenergic agents on salivary composition.肾上腺素能药物对唾液成分的影响。
J Dent Res. 1975 Jun;54 Spec No B:B27-33. doi: 10.1177/00220345750540022001.

本文引用的文献

7
Autonomic pathways involved in a sympathetic-like action of pilocarpine on salivary composition.
Proc Soc Exp Biol Med. 1966 Jan;121(1):96-100. doi: 10.3181/00379727-121-30707.
9
Adrenergic innervation of the salivary glands in the rat.大鼠唾液腺的肾上腺素能神经支配。
Z Zellforsch Mikrosk Anat. 1965 Oct 12;68(2):183-9. doi: 10.1007/BF00342427.

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