| 词汇 | myelin |
| 释义 | myelin noun[ U ] anatomy specializeduk /ˈmaɪə.lɪn/ us /ˈmaɪə.lɪn/ a substance containing a lot of fat that forms a covering around nerves, especially those in the brain, protecting them and helping them to send signals effectively: 髓磷脂（含大量脂肪，特别是在脑神经周围形成保护层，保障脑神经有效发出信号） The myelin sheath around the neuron is damaged.神经元周围的髓鞘遭到破坏。 Substances & structures in the body abductor accessorius ACL actin adductor fundus funiculus fusiform glomerular glomerulus myosin navicular neuroendocrine neurohormonal neurohormone tendinis tendinous tendinum tendo tensor Examples of myelinmyelin How these membrane domains evolve during myelin formation is unknown. This evidence indicates that this pathway has an essential role in early myelination events, and possibly in maintenance of myelin. Individual sections were stained for cell body (cresyl violet) and myelin. They also stained more intensely for myelin basic protein, implying that greater myelin content made the columns visible in dark field. These observations show that correct targeting and transport of the major myelin proteins are important for survival and myelination of oligodendrocytes. Each segment of axon wrapped by a compact portion of the myelin sheath corresponds to an internode. Finally, we detected two proteins that had not been shown previously to be present in myelin sheaths. Therefore, we have confirmed and expanded the compact myelin proteomic database by using a different methodological approach. The loss of myelin manifests with a variety of motor deficits, depending on the site of the damage. This included genes involved in myelination, such as myelin basic protein. Furthermore, these differences may indicate an alternate regulatory mechanism of myelin expression. Recently, more insights into the sorting and trafficking mechanism of particular myelin proteins in their compartment are emerging. This analysis revealed 122 proteins in the compact myelin fraction. 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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