NK cells are known as natural killer cells. These cells are a type of lymphocyte that is found in the innate immune system. NK cells are able to recognize and kill tumor cells and infected cells.

NK cells are identified by their expression of CD56 and CD16. CD56 is a marker that is expressed on the surface of most NK cells. CD16 is a marker that is expressed on a subset of NK cells.

The expression of CD56 and CD16 can be used to identify NK cells. CD56 is expressed on the surface of most NK cells and is used …