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本文通过1例运动神经元病剖检,经S_2的连续切片,K—B染色,证实在脊髓前角细胞中Onuf核仍以正常状态保存。这与本病选择性的保存膀胱、直肠外括约肌的功能有密切的关系。本文不仅从病理方面还从肛门括约肌的肌电图方面研究,证实了Onuf核所支配的肛门括约肌肌电图与正常人相同。这亦是本病的临床、病理、肌电图的重要特征之一。文中复习了文献中对Onuf核的发现和描述。
In this paper, a case of motor neuron disease necropsy, by the S 2 serial sections, K-B staining, confirmed in the anterior spinal cord cells in the Onuf nucleus is still normal state preservation. This is the disease selective preservation of the bladder, rectal sphincter function is closely related. This article not only from the pathological aspects of the anal sphincter EMG study confirmed that the Onuf nuclear dominated anal sphincter EMG and the same. This is also the clinical, pathological, EMG one of the important features. The article reviews the literature on Onuf nuclear discovery and description.