In acute laryngitis, which is the most common cause of voice loss and hoarseness, you suddenly lose your voice or become hoarse. 1  Acute laryngitis can result from: 2  Viral infection. Viral infections, such as those that cause the common cold, can cause your vocal cords to swell. 3  Bacterial throat infection.
The definition of a hood is slang for a neighborhood. An example of a hood is what youâd call the area in which you live in the inner city. Hood is defined as the front top of a car or other vehicle that covers and protects the engine, or a protective covering that removes fumes or exhaust.
Click to expand... tulip hoods are for lenses with non rotating front elements (when either focusing or zooming). Full hoods are for lenses with front elements that rotate. Pretty much, just use the hood that comes with your lens. p!nK.