| 词汇 | tegmentum |
| 释义 | tegmentum noun[ Cusually singular ] anatomy specializeduk /teɡˈmen.təm/ us /teɡˈmen.təm/pluraltegmentauk /teɡˈmen.tə/ us /teɡˈmen.tə/ the bottom part of the midbrain(= the middle part of the brain): The oculomotor nucleus is located in the tegmentum of the midbrain. Midbrain dopaminergic regions, the ventral tegmentum and the substantia nigra, are responsive to stimuli related to reward processing. The same level of hyperactivity was observed in the ventral tegmenta of the mice in the study. The midbrain tegmentum and substantia nigra region together send massive dopamine projections to the striatum. He had acute infarct of the brainstem involving pontine tegmentum. MRI showed bilateral and symmetrical lesions including the thalamus and brainstem tegmentum. 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 See alsotectum Related wordtegmental |
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