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相关概念视频

Olfaction01:25

Olfaction

The sense of smell is achieved through the activities of the olfactory system. It starts when an airborne odorant enters the nasal cavity and reaches olfactory epithelium (OE). The OE is protected by a thin layer of mucus, which also serves the purpose of dissolving more complex compounds into simpler chemical odorants. The size of the OE and the density of sensory neurons varies among species; in humans, the OE is only about 9-10 cm2.
The olfactory receptors are embedded in the cilia of the...
Physiology of Smell and Olfactory Pathway01:20

Physiology of Smell and Olfactory Pathway

Humans detect odors with the help of specialized cells located in the upper part of the nasal cavity, called olfactory receptor neurons (ORNs). ORNs possess hair-like structures called cilia, which are receptive to sensations from the inhaled air. When an odorant molecule binds to a specific receptor on the cell of the cilia, it leads to a series of events that ultimately cause the ORN to send electrical signals to the olfactory bulb in the brain through the olfactory nerves.
The olfactory...

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相关实验视频

Updated: Jun 27, 2026

Olfactory Behavioral Testing in the Adult Mouse
09:00

Olfactory Behavioral Testing in the Adult Mouse

Published on: January 28, 2009

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[俄罗斯嗅觉测试的开发和验证]

G V Lebedeva1, M V Svistushkin1, L V Selezneva1

  • 1Sechenov First Moscow State Medical University, Moscow, Russia.

Vestnik otorinolaringologii
|August 6, 2024
PubMed
概括

一个新的国家嗅觉测试在俄罗斯被开发和验证. 该测试有效地评估了与国际标准相匹配的嗅觉门和识别能力,解决了临床诊断中的关键差距.

关键词:
鼻子的棒棒.这是一个UPSITUPSITUPSIT.香味 香气 味道 味道 味道 味道嗅觉诊断是一种嗅觉诊断.嗅觉测试是一种嗅觉测试.心理物理测试 心理物理测试嗅觉是指嗅觉上的嗅觉.

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相关实验视频

Last Updated: Jun 27, 2026

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09:00

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Published on: January 28, 2009

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Olfactory Assays for Mouse Models of Neurodegenerative Disease
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科学领域:

  • 耳鼻喉科 耳鼻喉科 耳鼻喉科
  • 神经学 神经学
  • 心理学 心理学 心理学
  • 医学诊断 医学诊断 医学诊断

背景情况:

  • 嗅觉障碍是各种医学领域的早期指标.
  • 国际嗅觉测试是黄金标准,但在俄罗斯没有.
  • 一个显著的局限性是俄罗斯人口缺乏文化相关的气味识别.

研究的目的:

  • 为俄罗斯人口开发和验证国家嗅觉测试.
  • 解决俄罗斯联邦注册的嗅觉诊断工具的短缺问题.
  • 创建一个文化适应和有效的嗅觉评估方法.

主要方法:

  • 开发了一个两面板的嗅觉测试,评估值和识别能力.
  • 根据大规模的人口研究,选择了文化相关的气味和视觉描述符.
  • 在150名健康志愿者身上验证了该测试,并将结果与Sniffin' Sticks测试进行了比较.

主要成果:

  • 开发的国家嗅觉测试包括80个视觉描述符的门和识别面板.
  • 为俄罗斯人口建立了嗅觉能力的规范.
  • 与Sniffin' Sticks测试相比,验证没有显示出统计学上显著的差异,证实了其有效性.

结论:

  • 为健康的志愿者建立了一种经过验证的俄罗斯嗅觉测试方法.
  • 该测试具有文化适应的气味和视觉辅助工具,用于增强诊断.
  • 为了在俄罗斯实现通用诊断方法,还需要进行进一步的比较研究.