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Olfaction

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...

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相关实验视频

Updated: Jul 9, 2026

Olfactory Behavioral Testing in the Adult Mouse

Olfactory Behavioral Testing in the Adult Mouse

Published on: January 28, 2009

基于芳香化片的实际测试,用于识别鼻后气味.

Michal Pieniak¹, Can Tutar², Wiktoria Jedryczka¹

¹Smell & Taste Clinic, Department of Otorhinolaryngology, Technische Universität Dresden, Fetscherstrasse 74, Dresden 01307, Germany; Institute of Psychology, University of Wroclaw, Wroclaw, Poland.

Journal of neuroscience methods

|April 7, 2024

概括

一个新的ThreeT测试准确地识别了使用调味片的嗅觉功能障碍. 这种可靠的评估鼻后嗅觉的方法适合临床和研究使用.

关键词:

嗅觉是一种嗅觉.嗅觉障碍嗅觉障碍嗅觉障碍嗅觉障碍嗅觉障碍后鼻鼻嗅觉后鼻鼻嗅觉三T测试试验测试试验

更多相关视频

Vertical T-maze Choice Assay for Arthropod Response to Odorants

Vertical T-maze Choice Assay for Arthropod Response to Odorants

Published on: February 14, 2013

Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase

Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase

Published on: April 23, 2019

相关实验视频

Last Updated: Jul 9, 2026

Olfactory Behavioral Testing in the Adult Mouse

Olfactory Behavioral Testing in the Adult Mouse

Published on: January 28, 2009

Vertical T-maze Choice Assay for Arthropod Response to Odorants

Vertical T-maze Choice Assay for Arthropod Response to Odorants

Published on: February 14, 2013

Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase

Real-time In Vitro Monitoring of Odorant Receptor Activation by an Odorant in the Vapor Phase

Published on: April 23, 2019

科学领域:

神经科学是一个神经科学.
感官科学感官科学
临床评估临床评估

背景情况:

对于健康至关重要的鼻后嗅觉在医疗条件下经常受到损害.
目前对鼻后嗅觉的评估方法缺乏商业可用性和标准化.

研究的目的:

引入和验证新的ThreeT鼻后气味识别测试.
评估该测试在区分嗅觉功能障碍患者与健康个体中的有效性.

主要方法:

三T测试使用20个标准化的风味片,具有常见的食品和非食品气味.
在患者和健康对照组中评估了气味识别.

主要成果:

三T测试在识别嗅觉功能障碍时显示了73%的灵敏度和86%的特异性.
测试得分显示,在3个月内测试-再测试稳定性很好 (r=.79) 和与现有措施 (r=.78) 相对相关性很好.

结论:

三T测试是评估鼻后嗅觉的有效和可靠工具.
它适合临床实践和研究,可以监测嗅觉能力.