FUNCTIONAL INNERVATION OF LACRIMAL GLAND IN CAT - ORIGIN OF SECRETOMOTOR FIBERS IN LACRIMAL NERVE
FUNCTIONAL INNERVATION OF LACRIMAL GLAND IN CAT - ORIGIN OF SECRETOMOTOR FIBERS IN LACRIMAL NERVE
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DOI：
10.1001/archopht.1966.03850010583019
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发表时间：
1966-01-01
影响因子：
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通讯作者：
FUENMAYO.N
中科院分区：
文献类型：
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作者：
BOTELHO, SY;HISADA, M;FUENMAYO.N
由于泪腺的神经支配存在疑问，本研究进行，以确定泪腺细胞的功能性神经支配。在刺激蝶腭神经节、上级颈神经节的节前干和泪神经的远端和近端切断端之前、期间和之后，记录泪神经动作电位、泪细胞膜电位和从泪腺排泄管流出的液体。结果表明，泪腺神经在接近泪腺时含有分泌运动纤维，它起源于蝶腭，而不是上级颈神经节。还发现，虽然电刺激节前交感神经干偶尔会产生轻微的，短暂的变化，从排泄管流出，没有证据表明，这种刺激产生分泌电位的泪腺细胞。
Because doubt about the innervation of the lacrimal gland exists, the present study was undertaken to determine the functional innervation of lacrimal gland cells. Lacrimal nerve action potentials, lacrimal cell membrane potentials, and the outflow of fluid from an excretory duct of the lacrimal gland were recorded before, during, and after stimulation of the sphenopalatine ganglion, preganglionic trunk of the superior cervical ganglion, and the distal and proximal cut ends of the lacrimal nerve. The results indicate that the lacrimal nerve as it approaches the lacrimal gland contains secretomotor fibers, which originate in the sphenopalatine but not in the superior cervical ganglion. It was also found that although electrical stimulation of the preganglionic sympathetic trunk occasionally produced a slight, transient change in outflow from the excretory duct, there was no evidence that such stimulation produced secretory potentials in the cells of the lacrimal gland.