| acoustic trauma deafness | Sensorineural hearing loss due to overexposure to high intensity noise levels. Synonym: boilermaker's deafness, industrial deafness, occupational deafness. (05 Mar 2000) |
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| birth trauma | Physical injury to an infant during its delivery, the supposed emotional injury, inflicted by events incident to birth, upon an infant which allegedly appears in symbolic form in patients with mental illness. Trauma from occlusion, a reversible lesion in the periodontium caused by excessive movement of teeth. Occlusal trauma, abnormal occlusal stresses capable of producing or which have produced pathologic changes in the tooth and its surrounding structures. Psychic trauma, an upsetting experience precipitating or aggravating an emotional or mental disorder. (05 Mar 2000) |
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| multiple trauma | Physical insults or injuries occurring simultaneously in several parts of the body. (12 Dec 1998) |
| cumulative trauma disorders | Harmful and painful condition caused by overuse or overexertion of some part of the musculoskeletal system, often resulting from work-related physical activities. It is characterised by inflammation, pain, or dysfunction of the involved joints, bones, ligaments, and nerves. (12 Dec 1998) |
| oesophageal trauma | <radiology> Emetic trauma: mucosal: Mallory-Weiss syndrome, intramural: intramural dissection, transmural: Boerhaave syndrome, non-emetic trauma: instrumentation, blunt trauma to chest, penetrating trauma, taco tear (12 Dec 1998) |
| trauma | Injury. (16 Dec 1997) |
| trauma centres | Specialised hospital facilities which provide diagnostic and therapeutic services for trauma patients. (12 Dec 1998) |
| trauma severity indices | Systems for assessing, classifying, and coding injuries. These systems are used in medical records, surveillance systems, and state and national registries to aid in the collection and reporting of trauma. (12 Dec 1998) |
| acoustic | Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory. Acoustic duct, the auditory duct, or external passage of the ear. Acoustic telegraph, a telegraph making audible signals; a telephone. Acoustic vessels, brazen tubes or vessels, shaped like a bell, used in ancient theaters to propel the voices of the actors, so as to render them audible to a great distance. Origin: F. Acoustique, Gr. Relating to hearing, fr. To hear. A medicine or agent to assist hearing. Source: Websters Dictionary (01 Mar 1998) |
| acoustic agraphia | The inability to write from dictation. (05 Mar 2000) |
| acoustic aphasia | An impairment in comprehension of the auditory forms of language and communication, including the ability to write from dictation in the presence of normal hearing. Spontaneous speech, reading, and writing are not affected. Synonym: acoustic aphasia, word deafness. (05 Mar 2000) |
| acoustic area | The floor of the lateral recess of the fourth ventricle, extending medially to the limiting sulcus and overlying the cochlear and vestibular nuclei of the rhombencephalon. Synonym: area acustica. (05 Mar 2000) |
| acoustic cell | A hair cell of the organ of Corti. (05 Mar 2000) |
| acoustic crest | An elevation on the inner surface of the ampulla of each saemicircular duct; filaments of the vestibular nerve pass through the crista to reach hair cells on its surface; the hair cells are capped by the cupula, a gelatinous protein-polysaccharide mass. Synonym: crista ampullaris, acoustic crest, transverse septum. (05 Mar 2000) |
| acoustic enhancement | A manifestation of increased acoustic signal amplitude returning from regions beyond an object which causes little or no attenuation of the sound beam. Compare: acoustic shadow. (05 Mar 2000) |
| acoustic impedance | The resistance that a material offers to the passage of a sound wave (colloquial); a property of a medium computed as the product of density and sound propagation speed (characteristic acoustic impedance). Discontinuities in acoustic impedance are responsible for the echoes on which ultrasound imaging is based. Unit: the rayl. (05 Mar 2000) |