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由于电子显微镜、荧光眼底血管造影、放射性自体显影及辣根过氧化酶(horseradish Peroxidase,HRP)技术的引用,使有了可能去探索正常与病态前段视神经内各种液体的流动,检查此类液体在视乳头水肿、青光眼和其他病变之视乳头中的作用。前段视神经,包括视乳头及筛板后的视神经。视乳头可自前向后进一步分为表面神经纤维层、筛板前区及筛板部。前段视神经内的各种体液可分为三种:血液、神经轴浆及组织间液。视神经内没有淋巴系统。关于血液在此不加讨论。一、轴浆运输或轴浆流(axoplasmic transport or axonal flow) Weiss(1944)描述了神经纤维轴突内轴浆的连续流动,曾称为轴浆流或轴浆运输。近来眼科
The use of electron microscopy, fluorescence fundus angiography, autoradiography, and horseradish peroxidase (HRP) technology make it possible to explore the flow of various fluids in the normal and presympathetic optic nerves, examining the flow of such fluids In papilledema, glaucoma and other lesions in the role of the optic nerve. The anterior optic nerve, including the optic nerve behind the optic disc and sieve. The optic nerve head can be further divided into surface nerve fiber layer, fringe area and sieve plate section from front to back. The anterior optic nerve within a variety of body fluids can be divided into three types: blood, axoplasm and interstitial fluid. There is no lymphatic system in the optic nerve. No discussion about blood here. I. Axoplasmic Transport or Axonal Flow Weiss (1944) described the continuous flow of axonal pulp within a nerve fiber axon and was known as axial flow or axoplasmic transport. Recently ophthalmology