| IAC | image analysis cytometry; ineffective airway clearance; internal auditory canal; interposed abdomina... |
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| IAM | Institute of Applied Microbiology [Japan]; Institute of Aviation Medicine; internal auditory meatus |
| KAAS | Keele assessment of auditory style |
| MAV | mechanical auditory ventricle; minimal alveolar ventilation; minimum apparent viscosity; movement ar... |
| MLAEP | middle latency auditory evoked potential |
| auditory hyperesthesia | Hyperacusia Abnormal acuteness of hearing due to increased irritability of the sensory neural mechanism. Synonym: auditory hyperesthesia. Origin: hyper-+ G. Akousis, a hearing (05 Mar 2000) |
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| auditory lemniscus | A bundle of ascending fibres that originate from the cochlear and auditory relay nuclei of the rhombencephalon, enter the trapezoid body, a transverse fibre stratum in which about half their number decussate, and from here turn rostrally along the lateral side of the spinothalamic tract; in the midbrain, it arches dorsally and enters the inferior colliculus in which all of its fibres terminate; the auditory pathway is transsynaptically extended from here by the brachium of the inferior colliculus to the medial geniculate body of the thalamus, from which in turn the auditory radiation leads to the auditory cortex; intercalated in the trapezoid body and along the ascending trajectory of the lemniscus are several cell groups in which part of the fibres synapse. Synonym: lemniscus lateralis, acoustic lemniscus, auditory lemniscus, auditory tract, lateral fillet. (05 Mar 2000) |
| auditory localization | In sensory psychology, the naming or pointing to directions from which sounds emanate. (05 Mar 2000) |
| auditory nucleus | vestibulocochlear nuclei |
| auditory oculogyric reflex | Rotation of the eyes toward the source of a sudden sound. (05 Mar 2000) |
| auditory organ | Archaic term for gustatory organ. (05 Mar 2000) |
| auditory ossicles | The small bones of the middle ear; they are articulated to form a chain for the transmission of sound from the tympanic membrane to the oval window. Synonym: ossicula auditus, ear bones, ossicular chain. (05 Mar 2000) |
| auditory pathway | Neural paths and connections within the central nervous system, beginning at the organ of Corti's hair cells, continuing along the eighth nerve, and terminating at the auditory cortex. (05 Mar 2000) |
| auditory perception | The process whereby auditory stimuli are selected, organised and interpreted by the organism; includes speech discrimination. (12 Dec 1998) |
| auditory perceptual disorders | Disorders of auditory perception manifesting as difficulties with auditory memory, speech perception and sound localization. Lesions are usually in the temporal lobe. (12 Dec 1998) |
| auditory pits | Paired depressions, one on either side of the head of the embryo, marking the location of the future auditory vesicles. Synonym: otic pits. (05 Mar 2000) |
| auditory placodes | Paired ectodermal placode's that sink below the general level of the superficial ectoderm to form the auditory vesicles. Synonym: otic placodes. (05 Mar 2000) |
| auditory process | The roughened edge of the tympanic plate giving attachment to the cartilaginous portion of the external acoustic meatus. (05 Mar 2000) |
| auditory receptor cells | Columnar cell's in the epithelium of the organ of Corti, having hairs (stereocilia) on their apical ends. See: Corti's cells. (05 Mar 2000) |
| auditory reflex | Any reflex occurring in response to a sound, e.g., cochleopalpebral reflex. (05 Mar 2000) |