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Updated: Jun 7, 2025

Cochlear Surface Preparation in the Adult Mouse
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了解与年龄相关的中耳特性和听力损失中的基底膜损伤:有限元分析和回顾性队列研究

Tzu-Ching Shih1, You-Cheng Yu2, Tang-Chuan Wang3

  • 1Department of Biomedical Imaging and Radiological Science, College of Medicine, China Medical University, Taichung, 404328, Taiwan; The PhD Program for Medical Engineering and Rehabilitation Science, College of Biomedical Engineering, China Medical University, Taichung, 404328, Taiwan.

Computers in biology and medicine
|November 15, 2024
PubMed
概括

老年人在1.0kHz时表现出导电性听力损失,但在2.0kHz时改善了中耳传输. 老龄化加剧了基底膜损伤从大声的语音频率.

关键词:
与年龄有关的听力损失.审计风险单位是审计风险单位.基底膜的基底膜是什么有限元素分析的研究.追溯性队列研究 追溯性队列研究tympanic 膜 带膜 带膜 带膜

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相关概念视频

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The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
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The auditory ossicles of the middle ear transmit sounds from the air as vibrations to the fluid-filled cochlea. The auditory ossicles consist of two malleus (hammer) bones, two incus (anvil) bones, and two stapes (stirrups), one on each side. These bones develop during the fetal stage and are the ones to ossify first. They are fully mature at birth and do not grow afterward.
The aptly named stapes look very much like a stirrup. The three ossicles are unique to mammals, and each plays a role in...
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Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
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Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.
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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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