Term
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Definition
| a bilateral middle ear muscle contraction in response to a loud sound in one or both ears |
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Definition
| a narrow bony passageway in the posterior bony wall of the middle ear that connects the tympanum to the antrum |
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Definition
| a ring-shaped ligament that holds the stapes footplate in the oval window |
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Term
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Definition
| a ring-shaped ligament that holds the tympanic membrane in place along its lateral edges |
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Term
| anterior ligament of the malleus |
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Definition
| a ligament that attaches the malleus to the anterior wall of the tympanic cavity |
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Term
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Definition
| a cartilaginous ridge of the pinna that is medial to and generally parallel to the helix |
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Term
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Definition
| a small cartilaginous projection of the pinna that is adjacent to the tragus |
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Term
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Definition
| a small chamber within the mastoid portion of the temporal bone that is posterior to the main middle ear cavity |
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Term
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Definition
| a bump of tissue along the edge of the helix, observed in some pinnae |
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Term
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Definition
| the process of determining the direction in the horizontal plane at which a sound is arriving at the listener |
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Term
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Definition
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Term
| binaural localization cues |
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Definition
| localization cues created by differences in the acoustic characteristics of sounds as they arrive at the right ear and left ear |
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Term
| cartilaginous portion of the ear canal |
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Definition
the outer one third of the ear canal formed by a cartilaginous framework |
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Term
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Definition
| the anatomic lever created because the umbo is displaced less than the rest of the tympanic membrane; as a result, the pressure at the umbo is about two times (6dB) greater than the pressure across the entire membrane |
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Term
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Definition
| the more inferior of the two parts of the concha; the portion of the concha closest to the external auditory meatus |
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Term
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Definition
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Term
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Definition
| a bowl-shaped depression that comprises in the deepest groove in the pinna |
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Term
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Definition
| channel that begins on the anterior wall of the middle ear and connects the middle ear cavity with the nasopharyngeal cavity |
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Term
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Definition
| the anatomic tube that begins at the external auditory meatus and extends medially to the tympanic membrane |
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Term
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Definition
| the external opening of the ear canal, located at the medial edge of the pinna |
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Term
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Definition
| the outer cartilaginous fold of the pinna that curves around the outside edge |
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Term
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Definition
| one of the bones of the inner ear, attached at one end to the malleus and at the other end to the stapes; also known as the anvil |
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Term
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Definition
| the portion of the ear that contains the vestibular and cochlear sense organs, which are responsible for generating neural impulses in response to mechanical motions |
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Term
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Definition
| related to the difference between ears |
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Term
| interaural intensity difference (IID) |
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Definition
| the difference in intensity of the sound wave arriving to the left ear and right ear |
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Term
| interaural phase difference (IPD) |
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Definition
| the difference in phase of the sound wave arriving to the left ear and right ear |
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Term
| interaural time difference (ITD) |
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Definition
| the difference in time of arrival of the sound wave arriving to the left ear and right ear |
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Term
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Definition
| the process of determining the direction of incoming sound or the location of a sound source in space in terms of its azimuth and elevation |
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Term
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Definition
| the specific characteristics of received sounds that are used to determine the direction of incoming sound |
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Term
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Definition
| an air-filled cavity called the tympanic cavity or tympanum containing the ossicles |
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Term
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Definition
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Term
| monaural localization cues |
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Definition
| localization cues that are created by the reflection and refraction of sound by the folds, cavities, and ridges of the outer ear |
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Term
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Definition
| the three bones of the middle ear; the malleus, incus and stapes |
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Term
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Definition
| the externally visible portion of the ear which consists of the pinna and the external auditory canal |
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Term
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Definition
| a membrane located at the medial end of the external auditory canal and forming the lateral wall of the middle ear cavity |
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Term
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Definition
| the tip of the cone of the tympanic membrane |
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