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<正> 近年来,由于免疫组织化学、放射免疫测定及电子显微镜等技术的广泛应用,使神经内分泌方面的研究进入一个新的阶段,成为当前神经科学发展的活跃领域。到目前,已相继在哺乳类和一些非哺乳类动物体内发现了多种肽类物质。它们对于机体的生理调节或病理改变都有着非常重要的作用。但对其中多数肽的了解还不十分深入。本文仅对蛙皮素的某些问题作一简要介绍。一、蚌皮素的概况蛙皮素(Bombesin,简作BBS)又称羚蟾素或羚蟾肽,它是由Anastasi等于1971年首先从两种欧州蛙的皮肤提取物中获得的。此后陆续发现在哺乳类和其它非哺乳类动物的神经 相似文献
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材料和方法本研究利用学生实地解剖后的15具西安地区成年男性尸体,进一步对120块四肢肌肉详细解剖和观察,按Hrdlicka′s的标准。用Martin直脚规、探针、软尺等器械进行测量,用其肌腹测量值初步确定体表定位点。肌肉体表定位点的确定方法有二:1.肌腹测量值的体表定位点将尸体上每块肌肉的丰隆处或肌腹中点的测量值,与体表标志或自然纹理的近端或远端的距离均值(标于图1—4每块肌肉后)投影于活体体表-肌腹测量值的体表定位点。2.同身等分法的体表定位点按四肢体表标志及自然纹理将臂部、前臂、小腿的前后面和大腿前面按四等分;大腿后面按三 相似文献
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In this article we summarize our morpholo-gical studies on receptors of acupuncture pointsfrom 1972 to 1979.We first discovered threepoints in the area of Heou(L.I.4)of man simplyby finger manipulation.The receptors of need-ling sensation in those points was in the muscularlayer.It was the same with the receptor ofneedling sensation of Zusanli(St.36)point.Themuscle spindle of the first dorsal interosseous andthe adductor pollicis was packed in the samedirection as the needling sensation of the acu-puncture points.At Zusanli point the musclespindle formed a mass just like a nucleus.Thereceptors of the acupuncture point of Chengshan(U.B.51)are tendon organs,because the tendonorgans here are approximately in the center ofthis point.The receptors of the acupuncture points loca-ted near tendons and articular capsule perhapsare lamellated corpuscles.We investigated 9acupuncture points on the scalp.No receptorswith capsules were found except free nerve en-dings,The special free nerve endings are pos-sibly the receptors of acupuncture points on thescalp. 相似文献
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