Natural killer cells, or NK cells, are a component of the innate immune system which does not directly attack invading microbes. Rather, NK cells destroy compromised host cells, such as tumor cells or virus-infected cells, recognizing such cells by a condition known as missing self..
Definition. Market Value is generally defined as: âThe most probable price which a property should bring in a competitive and open market under all conditions requisite to a fair sale, the buyer and seller, each acting prudently, knowledgeably and assuming the price is not affected by undue stimulus.
The properties of a stimulus that control behavior, as opposed to the properties of the nominal stimulus (e.g., for a pigeon attending to the color but not the form of a green circle, the functional stimulus is simply green even though the nominal stimulus is a green circle). CE CRITICAL FEATURE.