| 词汇 | vermis |
| 释义 | vermis noun[ Cusually singular ] anatomy specializeduk /ˈvɜː.mɪs/ us /ˈvɝː.mɪs/pluralvermesuk /ˈvɜː.miːz/ the middle part of the cerebellum(= a large part at the back of the brain) that connects the two sides and is involved in movement and balancing: The hemispheres are connected together by the superior vermis. cerebellar vermisData from two studies reported no significant group differences in cerebellar vermis size. Damage to the inferior vermis predicts the degree of impairment of neurological and neuropsychological functions. A reduction in the size of all vermis regions was reported for this group of patients. Patients with lesions of the vermis walk with a characteristic gait. 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 Examples of vermisvermis Of these 15 autistic patients, 13 had vermis measures smaller than the median of their normal controls (300 mm2). To observe the agenesis of the cerebellar vermis, an axial section is preferable. We found that cerebellar white matter volume and anterior cerebellar vermis area was abnormally large in all three groups. Notably, significant volume increases are seen in the caudate nucleus and hippocampus, and decreases are seen in superior temporal gyrus and cerebellar vermis. Hypoplastic vermis of the cerebellum (arrowhead) is seen. That is, the children with an abnormally large frontal lobe volume were those with an abnormally small cerebellar vermis area. In contrast to the control group, there were no age-related size increases in the vermis in the autism group. The effect was greatest in the posterior part of the vermis, as predicted by human studies. An examination of this data led to the discovery that some patients with autism, regardless of age, have an excessively large cerebellar vermis compared to age-matched typical subjects ("hyperplasia"). It also appears that the posterior cerebellar vermis and the volume of cerebellar gray matter are typically smaller than in age-matched healthy control subjects at the earliest ages examined. If so, then the 13 autistic 2.7-16-year-old patients may have had their vermis measures compared to vermis measures from infants and babies, as well as children. Area measurements of the anterior and posterior regions of the cerebellar vermis did not differ between the individuals with autism and the typically developing control subjects. This region comprises the vermis and intermediate parts of the cerebellar hemispheres. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Lesions are usually symmetrical in the periventricular region, diencephalon, the midbrain, hypothalamus, and cerebellar vermis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These efferent connections have been proven to project not only ipsilaterally, but also to decussate and project to the contralateral side of the vermis. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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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