(October 2014) Leukonychia (or leuconychia), also known as white nails or milk spots, is a medical term for white discoloration appearing on nails. It is derived from the Greek words leuko (white) and nychia (nails). The most common cause is injury to the base of the nail (the matrix) where the nail is formed.
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Quick Answer. The main purpose of the Internet is to provide global access to data and communications. Use of the Internet and networking is essential for advancing research in science, medicine, engineering and design as well as in maintaining global defense and surveillance.