either of two pairs of mucomembranous folds in the larynx. The upper pair (false vocal cords) are not concerned with vocal production; the lower pair (true vocal cords or vocal folds) can be made to vibrate and produce sound when air from the lungs is forced over them See also glottis related adjective glottal.
Vitamin A drops. Vitamin A eye drops have been found to help provide lubrication for dry eyes and eye drops that contain vitamin A, such as Dakrina, VivaDrops and other over the counter drops with vitamin A added are often preferred to prescription solutions for dry eyes.itamin A eye drops have also been shown to provide treatment for a specific type of eye inflammation called, superior limbic keratoconjunctivitis that affects the cornea and inside of the upper eyelids.
Vitamin E. Vitamin E is a fat soluble vitamin and can serve as a good moisturizer for dry skin as well as dry hair. As vitamin E has antioxidant properties, it protects the skin from the harmful effects and damage caused by free radicals.Applying vitamin E oil prevents breakouts and lubricates dry skin as well.It also helps in reducing the scars on the skin. Sources of Vitamin E : A balance of vitamins and other nutrients is necessary for good skin health.itamin B-complex is extremely important for healthy skin and hair. Deficiency of these vitamins can lead to dry, scaly, cracked or chapped skin. This is the reason why many cosmetic manufacturers add vitamin B to their products.