| hearing loss, conductive | Hearing loss due to interference with the acoustic transmission of sound to the cochlea. The interference is in the outer or middle ear. (12 Dec 1998) |
|---|---|
| hearing loss, functional | Hearing loss without a physical basis. (12 Dec 1998) |
| hearing loss, high-frequency | Hearing loss in frequencies above 1000 hertz. (12 Dec 1998) |
| hearing loss, noise-induced | Hearing loss from exposure to noise. The loss is often in the frequency range 4000-6000 hertz. (12 Dec 1998) |
| hearing loss, partial | A condition in which the sense of hearing, although defective, is functional with or without a hearing aid. The hearing level for speech is approximately 40-70 decibels I.s.o. (international organization for standardization) or 30-60 db a.s.a. (american standards association). (12 Dec 1998) |
| hearing loss, sensorineural | Hearing loss resulting from damage to the sensory mechanism internal from the oval and round windows. (12 Dec 1998) |
| Helmholtz theory of hearing | That the basilar membrane of the cochlea acts as a resonating structure, recording low tones from its apical turns and high tones from its basal turns. Synonym: Helmholtz theory of hearing. (05 Mar 2000) |
| sensorineural hearing loss | <neurology> A form of deafness that occurs due to dysfunction of the auditory nerve (cranial nerve VIII). (27 Sep 1997) |
| normal hearing | The ability to perceive sound normally. Synonym: normal hearing. Origin: G. Akousis, hearing (05 Mar 2000) |
| organ of hearing | The content of the cochlea including the portion of the membranous labyrinth containing the spiral organ (cochlear duct) and the perilymphatic channels (scalae) which lie on either side. Synonym: labyrinthus cochlearis, organ of hearing. (05 Mar 2000) |
| water dog | 1. <zoology> A dog accustomed to the water, or trained to retrieve waterfowl. Retrievers, waters spaniels, and Newfoundland dogs are so trained. 2. <zoology> The menobranchus. 3. A small floating cloud, supposed to indicate rain. 4. A sailor, especially. An old sailor; an old salt. Source: Websters Dictionary (01 Mar 1998) |
| scotty dog | <radiology> Seen on oblique views of lumbar spine, EYE pedicle, NOSE transverse process, EAR superior articular facet, NECK pars interarticularis, FOOT inferior articular facet (12 Dec 1998) |
| sea dog | 1. <zoology> The dogfish. The common seal. 2. An old sailor; a salt. Source: Websters Dictionary (01 Mar 1998) |
| hound-dog facies | The facial appearance in cutis laxa, with loose facial skin hanging in folds. (05 Mar 2000) |
| skittle-dog | <zoology> The piked dogfish. Source: Websters Dictionary (01 Mar 1998) |