| 词汇 | hindbrain |
| 释义 | hindbrain noun[ Cusually singular ] anatomy specializeduk /ˈhaɪnd.breɪn/ us /ˈhaɪnd.breɪn/ the back part of the brain that includes the cerebellum, the pons, and the medulla oblongata, and that controls automatic body functions: The back of the brain, the hindbrain, controls respiration, heart rate, swallowing, and blood pressure. The cerebellum is a part of the hindbrain that controls balance and coordination of movement. Neurophysiological evidence suggests that the hindbrain is in control of REM sleep. In the midbrain and hindbrain, one side is largely a mirror image of the other, but the two sides are highly interconnected. These bulges appear during the development of the hindbrain in all vertebrates. The brain & nervous system abducens nerve abducent nerve accessory nerve alexithymia allism glossopharyngeal nerve grey matter hemispheric hemispherical hippocampus neurogenic neurogenically neuroglia neuroglial neurohormonal reticular formation rhinencephalon rhombencephalon right brain right-brained Synonymrhombencephalon Compareforebrain midbrain metencephalon Examples of hindbrainhindbrain The cholinergic system of the human hindbrain studied by choline acetyltransferase immunohistochemistry and acetylcholinesterase histochemistry. From this one can conclude that multiple subclasses of motor neurons are produced in specific locations in the developing hindbrain. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, in vertebrates the hindbrain transiently forms eight rhombomers and each rhombomere has a specific pattern of genes being expressed. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Nevertheless, the main visuomotor integrative center is the midbrain tectum itself, via its descending projections to the hindbrain. It is possible that mentation is relatively independent of hindbrain stimulation and is primarily determined by the response characteristics of the forebrain. We do not also know that the orderliness of mental sequences is determined by the pattern of hindbrain stimulation of the forebrain. This mutant exhibits craniorachischisis, the most severe form of neural tube defect characterized by an open neural tube from the midbrain/hindbrain boundary throughout the spine. Necdin is detected in all developing neurons of the embryonic mouse, in both the central and peripheral nervous system, with the highest expression levels in the diencephalon and the hindbrain. One study also found a decrease in hindbrain sensory excitability. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The division of the rhombencephalon (the early hindbrain) into the metencephalon and the myelencephalon occurs at the 7th week of development. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Leptin action in the forebrain regulates the hindbrain response to satiety signals. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This leads to the reduced hindbrain volume and scoliosis, which are common symptoms of horizontal gaze palsy. 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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