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Myelin. Myelin ( / ˈmaɪ.əlɪn / MY-ə-lin) is a lipid -rich material that surrounds nerve cell axons (the nervous system's electrical wires) to insulate them and increase the rate at which electrical impulses (called action potentials) pass along the axon. [ 1][ 2] The myelinated axon can be likened to an electrical wire (the axon) with ...
Website. google .com /sheets. Google Sheets is a spreadsheet application and part of the free, web-based Google Docs Editors suite offered by Google. Google Sheets is available as a web application; a mobile app for: Android, iOS, and as a desktop application on Google's ChromeOS. The app is compatible with Microsoft Excel file formats. [ 2]
Monobook toolbar. To automatically insert a table, click or (Insert a table) on the edit toolbar. In the Vector toolbar the table icon is in the "Advanced" menu. If "Insert a table" is not on the toolbar follow these directions to add it. The following text is inserted when Insert a table is clicked:
Google Drive now lets you prevent others from downloading, copying and printing your shared files. This is an important update that will significantly lower the stress level for the millions of ...
White matter is the tissue through which messages pass between different areas of grey matter within the central nervous system. The white matter is white because of the fatty substance (myelin) that surrounds the nerve fibers (axons). This myelin is found in almost all long nerve fibers, and acts as an electrical insulation.
Pia mater is the thin, translucent, mesh-like meningeal envelope, spanning nearly the entire surface of the brain. It is absent only at the natural openings between the ventricles, the median aperture, and the lateral aperture. The pia firmly adheres to the surface of the brain and loosely connects to the arachnoid layer. [ 6 ]
Radiation protection. Radiation protection, also known as radiological protection, is defined by the International Atomic Energy Agency (IAEA) as "The protection of people from harmful effects of exposure to ionizing radiation, and the means for achieving this". [ 1] Exposure can be from a source of radiation external to the human body or due ...
Galvanization. Galvanization or galvanizing ( also spelled galvanisation or galvanising) [ 1] is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which the parts are coated by submerging them in a bath of hot, molten zinc. [ 2]