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相关概念视频

The Resting Membrane Potential01:21

The Resting Membrane Potential

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Overview
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Resting Potential Decay01:15

Resting Potential Decay

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The resting membrane potential of a neuron (-70mV) is sustained due to the selective ion permeability of the membrane. At the resting potential, the membrane is slightly permeable to ions like sodium (Na+) and chloride (Cl−) and highly permeable to potassium ions (K+). Differences in the ions' concentration inside the cell compared to the outside are maintained by membrane transport proteins like channels and pumps.
At rest, the K+ is the main ion that moves across the membrane...
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Resting Membrane Potential01:24

Resting Membrane Potential

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The relative difference in electrical charge, or voltage, between the inside and the outside of a cell membrane, is called the membrane potential. It is generated by differences in permeability of the membrane to various ions and the concentrations of these ions across the membrane.
The Inside of a Neuron is More Negative
The membrane potential of a cell can be measured by inserting a microelectrode into a cell and comparing the charge to a reference electrode in the extracellular fluid. The...
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Pressure Variation in a Fluid at Rest01:11

Pressure Variation in a Fluid at Rest

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In a fluid at rest, the pressure at any point beneath the fluid surface depends solely on the depth, not on the container's shape or size. This principle, known as hydrostatic pressure, arises because, in stationary fluids, there is no acceleration, meaning the forces within the fluid balance out. Only vertical forces, caused by the weight of the fluid above, contribute to pressure changes with depth.
When measuring pressure at two different levels within the fluid, the difference in...
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Nursing Implementation01:15

Nursing Implementation

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Implementation is the execution of the nursing care plan developed during the planning phase.
The five steps to implementing effective nursing care include reassessing the patient, reviewing and revising the existing nursing care plan, organizing the resources and care delivery, anticipating and preventing complications, and implementing nursing interventions.
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Role of Communication in the Nursing Process II: Planning and Implementation01:25

Role of Communication in the Nursing Process II: Planning and Implementation

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Several factors are considered while creating a patient's care plan. Motivation is a factor in improving communication, and patients often require encouragement to try different approaches involving significant change. It is essential to involve the patient and family in decisions about the plan of care to determine whether the suggested methods are acceptable. Consider meeting critical comfort and safety needs before introducing new communication methods and techniques. Allow adequate time...
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相关实验视频

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Iris Fixation via External Pentagram Suturing
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爱丽丝RESTful服务器和爱丽丝TileSource:一个爱丽丝实现现有的OpenSeaDragon观看器.

Ryan Erik Landvater1, Navin Kathawa1, Mustafa Yousif1

  • 1University of Michigan Medical School, Department of Pathology, 2800 Plymouth Road, Ann Arbor, MI 48109-2800, USA.

Journal of pathology informatics
|January 26, 2026
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概括
此摘要是机器生成的。

虹膜RESTful服务器通过启用原生流的虹膜文件扩展 (IFE) 文件来改善全幻灯片图像 (WSI) 查看. 这种高性能解决方案与OpenSeaDragon集成,简化了病理学家和管理员的WSI工作流程.

关键词:
数字病理学数字病理学虹膜 虹膜 虹膜 虹膜虹膜文件扩展名 虹膜文件扩展名开放的海洋龙.很舒服,可以休息.瓦 源地 源地整个幻灯片图像的图像.

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科学领域:

  • 数字病理学数字病理学
  • 医学成像信息学 医疗成像信息学
  • 计算机科学 计算机科学

背景情况:

  • 像虹膜文件扩展 (IFE) 这样的全幻灯片成像 (WSI) 文件格式对于病理学应用程序需要高效的流媒体.
  • 传统的HTTP服务器在与高分辨率WSI文件的本地流媒体子区域作斗争.
  • 当前的WSI观看器经常将文件转换为深度放大图像 (DZI) 以求兼容性,限制功能.

研究的目的:

  • 开发一个低开销,高性能的HTTP服务器,用于本地IFE文件流.
  • 创建一个与DICOMweb WADO-RS兼容的RESTful API,以实现无集成.
  • 通过改进的染和管理能力来增强WSI观看系统.

主要方法:

  • 使用C++,Boost Beast HTTP和Asio网络库开发了Iris RESTful服务器.
  • 实现了与DICOMweb WADO-RS API的原生兼容性.
  • 创建并合并了一个新的OpenSeaDragon TileSource,与Iris RESTful API兼容.

主要成果:

  • 在最小的硬件上,Iris RESTful Server表现出高性能,平均处理3883个请求/秒,中位延迟为21ms.
  • 一个新的OpenSeaDragon TileSource可以实现直接集成,取代DZI转换.
  • 服务器作为一个安全的,跨来源的资源共享微服务.

结论:

  • 爱丽丝RESTful服务器提供了一个安全的,高性能解决方案,用于流媒体WSI文件,增强数字病理学工作流.
  • 这种架构简化了WSI管理,并改善了病理学家的用户体验.
  • 开源的可用性加速了先进的WSI网络浏览器的开发和采用.