In atypical hemolytic-uremic syndrome, red blood cells can break apart as they squeeze past clots within small blood vessels. Anemia results if these cells are destroyed faster than the body can replace them.
Setting Definition. Setting is an environment or surrounding in which an event or story takes place. It may provide particular information about placement and timing, such as New York, America, in the year 1820. Setting could be simply descriptive like a lonely cottage on a mountain.
Set (mathematics) A set of polygons in a Venn diagram. In mathematics, a set is a well-defined collection of distinct objects, considered as an object in its own right. For example, the numbers 2, 4, and 6 are distinct objects when considered separately, but when they are considered collectively they form a single set of size three, written {2,4,6}.