词汇 | thalamus |
释义 | thalamus noun[ C ] uk /ˈθæl.ə.məs/ us /ˈθæl.ə.məs/pluralthalamuses or or thalami one of the two oval-shaped parts of the brain that control feeling and all the senses except for the sense of smell(大脑的)丘脑 The brain & nervous system abducens nerve abducent nerve accessory nerve alexithymia allism glossopharyngeal nerve grey matter hemispheric hemispherical hindbrain neurofibrillary neurogenic neurogenically neuroglia neuroglial reinnervation reticular formation rhinencephalon rhombencephalon right brain Related wordthalamic Examples of thalamusthalamus If so, focal paroxysmal activity would spread rapidly and simultaneously in the cortex and thalamus using synaptic pathways. The brain stem, including the midbrain and thalamus, was cut on a freezing microtome into 40 -50 mm sections in the coronal plane. These neural elements might be either the fibers that transmit cold stimuli to the thalamus or the inhibitory connections of neurons that respond to cold. First, the dorsal pallium of stem amniotes acquired sensory inputs from the dorsal thalamus (and descending motor projections). Disconnecting hippocampal projections to the anterior thalamus produces deficits on tests of spatial memory in rats. Cell counts were performed under a regular microscopic grid in diverse anteroposterior levels of the thalamus. The thalamus as an "entrance door" to virtually all the sensory channels has always attracted the attention of schizophrenia researchers. Alternatively, or in addition, pathological lesions may cause cortical hyperexcitability and increase the cortical drive on the thalamus. Cue-specific conditioned stimuli are transmitted to the thalamus by external and visceral pathways. Calcium-binding protein immunoreactivity delineates the intralaminar nuclei of the thalamus in the human brain. In lateral thalamus, cells responsive to painful stimuli are located in the core area and in the postero-inferior area. These labeled cells occupied a wide band throughout the rostrocaudal extent of the thalamus. Nonetheless, this observation calls into question the widespread use of mice and rats to study the thalamus. The scientists fixed electrodes to 177 cells from the thalamus region of the cat's brain in a series of 11 experiments. First, they allude to recent efforts to use region-specific markers to divide the thalamus into sectors. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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