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The Inner Ear. The Inner Ear The inner ear which contains the a very important
part of the hearing mechanism. This fluid-filled, snail ...
... Structures The ear, an organ for hearing and balance, is anatomically divided into
three sections: the outer ear, the middle ear, and the inner ear (Henderson ...
... tube. The inner ear contains the sensory receptors for hearing which are
enclosed in a fluid filled chamber called the cochlea. The ...
... It is connected to the brain by the auditory nerve and is composed of three
divisions, the external ear, the middle ear, and the inner ear. ...
... a type of bone disease that may lead in results in decreased movement of the bone
and unproductive transmission of sound waves into the inner ear or skin sores ...
Submitted by Asli_tee on September 1, 2006
Category: Science
Words: 2944 | Pages: 12
Views: 166
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The Inner Ear
The inner ear which contains the a very important part of the hearing mechanism. This fluid-filled, snail-shaped cochlea purpose is to translate incoming sound waves into electrical signals so that the brain can understand its surroundings. The cochlea which is a Latin word for snailed-shell is a coiled, tapered tube containing the auditory branch of the inner ear. Its core component is the Organ of Corti, that is a cellular layer sitting on top of the basilar membrane for the sensory organ of hearing. The tube of the cochlea is divided into three chambers (upper, middle, and lower) that spiral around a bony core, the scala vestibuli the upper chamber, scala media the middle chamber or cochlear duct and the scala thmpani the lower chamber. The inner ear also contain a structure
called the vestibular labyrinth, which assists your sense
of balance (Olsen, W, Ph. D, 2003).
The vestibular labyrinth is used by the brain to determine where the head is in poportion to gravity and if the head or body is turning. By doing so, this keeps objects in focus when the head is moving. Joint and muscle receptors also are important in maintaining balance. The brain receives, interprets, and processes the information from these systems that control our balance. In order for you brain to maintain a sense
of balance, it must coordinate information from the eyes, musculoskeletal nerves and inner ear. The brain sends signals to the muscles all through the skeletal system on how to react and keep the body positioned upright and balanced. But if the central nervous system signals are not being processed and the messages are sending mixed messages, than the body can experience a loss of balance.
Balance problems can occur from anywhere in this complex system that is made up of the eyes, musculoskeletal nerves and vestibular labyrinth. Head injury, disorders of blood circulation affecting the inner ear or brain, certain...
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