The sound waves are concentrated by passing from a relatively large area (the eardrum) through the ossicles to a relatively small opening leading to the inner ear. Here the stirrup vibrates, setting in motion the fluid of the cochlea. The sound is alternating compression and decompression of medium through which the sound wave passes. In the course of hearing, sound waves enter the auditory canal and strike the eardrum, causing it to vibrate. The bones in the middle ear amplify, or increase, the sound vibrations and send them to the cochlea, … The middle ear is composed of the tympanic membrane and the cavity, which houses the ossicular chain. It is gray-pink in color when healthy and consists of three very thin layers of living tissue. Human ear - Human ear - The physiology of hearing: Hearing is the process by which the ear transforms sound vibrations in the external environment into nerve impulses that are conveyed to the brain, where they are interpreted as sounds.
The Hearing Process In essence, our ears work to alter the acoustic stimulus that enters and move through our ear canals, into a form of neural code that our brains can decipher, process and comprehend. Here are 6 basic steps to how we hear: Sound transfers into the ear canal and causes the eardrum to move The malleus is a… Tympanic Membrane The tympanic membrane or eardrum serves as a divider between the outer ear and the middle ear structures. The ossicular chain consists of the three smallest bones in the body: the malleus, incus, and stapes. Frequency is number of sound wave per second. Physiology of hearing Sound wave are pressure wave that enter the external ear.
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