Erikson's stages of psychosocial development. Erikson's stages of psychosocial development, as articulated by Erik Erikson, in collaboration with Joan Erikson, is a comprehensive psychoanalytic theory that identifies a series of eight stages, in which a healthy developing individual should pass through from infancy to late adulthood.
Richard Drury/Â­Getty Images. Â­There are numerous types of sugar, although most people might first think of basic table sugar, the white crystals used in most homes and in much cooking. This sugar is called sucrose and comes from sugar beets or sugarcane. Sucrose appears in other plants, too, along with glucose and fructose. It's actually in every plant since sugar and oxygen are products of photosynthesis. But unlike sugar beets and sugarcane, other plants don't produce sucrose in sufficient quantities for harvesting. Other types of sugar include:
Other types of sugar include: 1  Fructose: found in fruits and honey. 2  Galactose: found in milk and dairy products. 3  Glucose: found in honey, fruits and vegetables.  Lactose: found in milk, made from glucose and 1  galactose. Maltose: found in barley.  Sucrose: made up of glucose and fructose and found in 1  plants. Xylose: found in wood or  straw.