The portion of the Sonora Desert which lies in the Southwestern United States is the most populated area within the region. Six of the top ten major population centers of the region are found within its borders: Phoenix, Tucson, Mesa, Chandler, Glendale, and Scottsdale, all in Arizona.
Insertion. Insertion. 1. (Science: anatomy) The place of attachment, as of a muscle to the bone which it moves. 2. (Science: genetics) a rare nonreciprocal translocation involving three breaks in which a segment is removed from one chromosome and then inserted into a broken region of a nonhomologous chromosome.
Definition of outline for Students. 1 : a line that traces or forms the outer limits of an object or figure and shows its shape. 2 : a drawing or picture or style of drawing in which only the outer edges of an object or figure are shown outlines of animals.