MRI vs. MRA. An MRA, or magnetic resonance angiogram, is a type of MRI scan that uses MRI's magnetic fields and radio waves to produce pictures of blood vessels inside the body, allowing doctors to locate problems that may cause reduced blood flow.
Best Answer: Ethyl alcohol, at the concentrations used in most antibacterial preparations, kills bacteria by disrupting membranes and by denaturing proteins. Ethylalcohol is miscible in water (that is, completely soluble). But ethyl alcohol can also dissolve in the membranes of cells.
Called also absolute a. denatured alcohol ethanol made unfit for human consumption by the addition of substances known as denaturants. Although it should never be taken internally, denatured alcohol is widely used on the skin as a disinfectant. ethyl alcohol (grain alcohol) ethanol. isopropyl alcohol a transparent, volatile colorless liquid used as a solvent and disinfectant and applied topically as an antiseptic; called also isopropanol. Diluted with water to approximately 70 per cent strength, it is called isopropyl rubbing alcohol and is used as a rubbing compound. methyl alcohol methanol.