endogenous. produced within or caused by factors within the organism. endogenous analgesic system. includes the secretion by the brain of endorphins in response to the central perception of pain.
Saint Girolamo Savonarola (1452-1498). Girolamo Savonarola was a Florentine Dominican monk who was HORRIFIED by the scandalous conduct of Pope Borgia and his many bastard children. He was the forerunner of Martin Luther, but unlike Martin Luther, the only bible available to him was the corrupt Latin Vulgate Version of Jerome.
Piero della Francesca (ca. 1415-1492), painter, mathematician, and theorist, was one of the most influential Italian artists of the early Renaissance. Piero della Francesca was the son of Benedetto dei Franceschi, a shoemaker and tanner in Borgo San Sepolcro near Arezzo.