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EAR

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: ''For alternative meanings, see ear (disambiguation).'' Image:Earcov.JPG thumb|250px|A human ear An '''ear''' is an organ used by an animal to detect sound waves. The term may refer to the entire system responsible for collection and early processing of sound (the beginning of the auditory system), or merely the externally-visible part. Not all animals have ears in the same part of the body. Audation is the scientific name for the sence of hearing. The organ of Corti is the actual organ of hearing.

The mammalian ear
Image:HumanEar.jpg thumb|250px|Anatomy of the human ear. Mammals, including humans, have two ears, one on each side of the head. * The '''outer ear''' is the external portion of the ear and includes the eardrum, also known as the tympanic membrane. The pinna, which is the external portion of the ear, captures the sound and transfers them through the auditory canal to the tympanic membrane, which vibrates and transfers the sound to the ossicles of the tympanic membrane. * The '''middle ear''' includes the ossicles (three tiny bones), two muscle tendons (of the stapedius and tensor tympani muscles), and two nerve bundles (the horizontal portion of the facial nerve and a branch of the facial nerve called the chorda tympani). The Eustachian tube connects from the chamber of the middle ear to the back of the pharynx to equalize the pressure. That's why you can feel your ears "pop" when descending on an airplane * The '''inner ear''' comprises both the organ of hearing (the cochlea) and the labyrinth (inner ear) labyrinth or labyrinth (inner ear) vestibular apparatus, the organ of balance located in the inner ear that consists of three semicircular canals and the vestibule. Within the cochlea are located three canals: the tympanic canal, the vestibular canal, and the middle canal. When sound strikes the cochlea, the fluid inside is moved. This fluid stimulates the organ of Corti, located within the middle canal, to interpret the sound and send the information through the auditory nerve to the brain

Non-mammalian hearing organs
{{section-stub}} Spiders have hairs on their legs which are used for detecting sound. Reptilian ears only have one bone â€” the columella (stapes) (see below). * Vestibular neuronitis

See also
*Wiktionary:WikiSaurus:ear WikiSaurus:ear — the Wiktionary WikiSaurus list of synonyms and slang words for ears in many languages * Absolute threshold of hearing * Acoustic reflex * Cerumen * Ear piercing instrument * Earring * Georg von BÃ©kÃ©sy, winner of the 1961 Nobel Prize for his research on the cochlea * Glossary of medical terms related to communications disorders * Loudness * Pitch (music) * Timbre * Vestibular system

External links
{{commons|Ear}}
- Protein behind hearing
- 3D Ear page {{Auditory system}} {{human anatomical features}} Category:Sensory organs Category:Acoustics Category:Auditory system Category:Head and neck Category:Sensory system Category:Nervous system ar:Ø£Ø°Ù† ca:OÃ¯da cs:Ucho cy:Clust da:Ã˜re de:Ohr es:OÃdo eo:Orelo fr:Oreille ko:ê·€ io:Orelo id:Telinga is:Eyra it:Orecchio he:×?×•×–×Ÿ la:Auris lt:Ausis hu:FÃ¼l nl:Oor ja:è€³ no:Ã˜re pl:Ucho pt:Ouvido ro:Ureche ru:Ð£Ñ…Ð¾ scn:Aricchiu simple:Ear sl:Uho su:Ceuli fi:Korva sv:Ã–ra th:à¸«à¸¹ tr:Kulak zh:è€³ see Ear (disambiguation) {{country|flagcountry|Earth}}

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