How to use olivary body in a sentence? Find typical usage patterns (collocations)/phrases/context for "olivary body" and check conjugation/comparative form for "olivary body". Mastering all the usages of "olivary body" from sentence examples published by news publications.
The inner hair cells provide the main neural output of the cochlea. The outer hair cells, instead, mainly receive neural input from the brain, which influences their motility as part of the cochlea's mechanical pre-amplifier. The input to the OHC is from the olivary body via the medial olivocochlear bundle. The cochlear duct is almost as complex on its own as the ear itself.
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The beta-3 subunit is expressed at different levels within the cerebral cortex, hippocampus, cerebellum, thalamus, olivary body and piriform cortex of the brain at different points of development and maturity. GABRB3 deficiencies are implicated in many human neurodevelopmental disorders and syndromes such as Angelman syndrome, Prader-Willi syndrome, nonsyndromic orofacial clefts, epilepsy and autism. The effects of methaqualone and etomidate are mediated through GABBR3 positive allosteric modulation.
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The olivary body is located on the anterior surface of the medulla lateral to the pyramid, from which it is separated by the antero-lateral sulcus and the fibers of the hypoglossal nerve. Behind (dorsally), it is separated from the postero-lateral sulcus by the ventral spinocerebellar fasciculus. In the depression between the upper end of the olive and the pons lies the vestibulocochlear nerve. In humans, it measures about 1.25 cm.
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The anterior external arcuate fibers (ventral external arcuate fibers) vary as to their prominence: in some cases they form an almost continuous layer covering the medullary pyramids and olivary body, while in other cases they are barely visible on the surface. Most of them reach the surface by way of the anterior median fissure, and arch backward over the pyramid. Reinforced by others which emerge between the pyramid and olive, they pass backward over the olive and lateral district of the medulla oblongata, and enter the inferior peduncle. As the fibers arch across the pyramid, they enclose a small nucleus which lies in front of and medial to the pyramid.
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After the highest peak of expression, Gabrb3 expression is down-regulated substantially in the thalamus and inferior olivary body of the mouse. By adulthood, the level of expression in the cerebral cortex and hippocampus drops below developmental expression levels, but the expression in the cerebellum does not change postnatally. The highest levels of Gabrb3 expression in the mature mouse brain occur in the Purkinje and granule cells of the cerebellum, the hippocampus, and the piriform cortex. In humans, the beta-3 subunit, as well as the subunits of its two neighbouring genes (GABRG3 and GABRA5), are bi-allelically expressed within the cerebral cortex, indicating that the gene is not subjected to imprinting within those cells.
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