death of a cell or group of cells within a tissue whether normal (as in various epithelial tissues) or part of a pathologic process… See the full definition
Answer (1 of 2): Nag was a reference for a small riding horse in the English language. The Dutch language has a similiar term. Centuries ago horses were seldom used for pleasure purposes except by the very rich and even then some did not ride for pleasure. Horses had purpose, carriage horses, w...