Ear Anatomy And Physiology Pdf

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Human ear , organ of hearing and equilibrium that detects and analyzes sound by transduction or the conversion of sound waves into electrochemical impulses and maintains the sense of balance equilibrium.

The ears are organs that provide two main functions — hearing and balance — that depend on specialized receptors called hair cells. Sound waves enter through the outer ear, move into the middle ear, and finally reach the inner ear and its intricate network of nerves, bones, canals, and cells. There are three bones located in the middle ear: the incus, the malleus and the stapes. Collectively, all three bones comprise the ossicles.

Anatomy and physiology of the ear

NCBI Bookshelf. The human ear is the organ of hearing and equilibrium. It detects and analyzes sound by the mechanism of transduction, which is the process of converting sound waves into electrochemical impulses. Audition cannot take place adequately if the anatomy is abnormal. This article will discuss the mechanisms implied in the conduction of sound waves into the ear, and its integration and transmission from the middle ear and inner ear to the brain. The human ear is a rudimentary shell-like structure that lies on the lateral aspect of the head.

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Principles of Hearing Aid Audiology pp Cite as. The ear Figure 2. Unable to display preview. Download preview PDF. Skip to main content. This service is more advanced with JavaScript available. Advertisement Hide.

Anatomy and physiology of the ear and hearing. Figure The pinna and external auditory canal form the outer ear, which is separated from the middle ear by.

Anatomy of the Ear

External auditory canal or tube. This is the tube that connects the outer ear to the inside or middle ear. Tympanic membrane eardrum. The tympanic membrane divides the external ear from the middle ear. Three small bones that are connected and transmit the sound waves to the inner ear.

The following article is written to provide a general understanding of the structures within the auditory system and how they function. The auditory system is comprised of three components; the outer, middle, and inner ear, all of which work together to transfer sounds from the environment to the brain. Pinna The pinna or auricle is a concave cartilaginous structure, which collects and directs sound waves traveling in air into the ear canal or external auditory meatus.

The ear can be divided into three parts: the outer ear , middle ear and inner ear. The inner ear is the innermost part of the ear, and houses the vestibulocochlear organs. It has two main functions:. In this article, we shall look at the anatomy of the inner ear — its position, structure, and neurovascular supply. The inner ear is located within the petrous part of the temporal bone.

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