释义 |
myelinic adjective anatomy specializeduk /maɪəˈlɪn.ɪk/ us /maɪəˈlɪn.ɪk/ formed of myelin(= a substance containing a lot of fat that forms a covering around nerves): myelinic sheathMost of the central nerve-fibres possess a myelinic sheath. There is a sharp difference between the grey substance of the nerve-centres and the white myelinic substance. If a nerve fibre is covered by a thick sheath of fatty substance, it is known as a medullated or a myelinic fibre. The neurite is enclosed, first of all in the myelinic sheath. The formation of the myelinic sheath follows at a comparatively long interval in the development of the nervous system. SMART Vocabulary: related words and phrases Substances & structures in the body abductor accessorius ACL actin adductor fundus funiculus fusiform glomerular glomerulus navicular neuroendocrine neurohormonal neurohormone nociceptive tendinous tendinum tendo tensor Th
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