大鼠部分交感神经节切除术后腮腺对交感神经冲动的淀粉酶分泌反应。
Amylase-secretory responses to sympathetic nerve impulses in the rat parotid gland following partial sympathetic ganglionectomy.
作者信息
Asking B, Emmelin N
机构信息
Institute of Physiology and Biophysics, University of Lund, Sweden.
出版信息
Arch Oral Biol. 1987;32(7):469-72. doi: 10.1016/s0003-9969(87)80006-7.
Some sympathetic axons reach the parotid gland from the contralateral sympathetic chain. Such contralateral nerves were stimulated and saliva secreted after intravenous injections of methacholine was collected from the parotid duct at various times after removal of the ipsilateral superior cervical ganglion. The secretion of amylase caused by sympathetic nerve stimulation was greatly increased three days after the sympathectomy and even more after ten weeks. This effect is attributed to denervation supersensitivity, prejunctional after three days and, in addition, postjunctional later.
一些交感神经轴突从对侧交感神经链到达腮腺。在切除同侧颈上神经节后的不同时间，刺激这些对侧神经，并收集静脉注射乙酰甲胆碱后从腮腺导管分泌的唾液。交感神经刺激引起的淀粉酶分泌在交感神经切除术后三天大幅增加，十周后增加得更多。这种效应归因于去神经超敏反应，三天后是节前超敏反应，此外，之后是节后超敏反应。
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