Antigen-presenting cell: A cell that can present antigen in a form that T cells can recognize it. The cells that can present antigen include B cells and cells of the monocyte lineage (including macrophages).
Generation X Ages | How Big Is Generation X? The age range for Generation X as of 2016 is 35 to 55 (my broadest definition). In 2011, the first Gen-Xer turned 50 years old and the youngest turned 30. We are currently the âsandwich generationâ in America. We are caring for aging parents and raising more than 50 percent of the nationâs children under 18.
Updated February 18, 2016. Generation X is the term often applied to the generation born between 1964 and 1981, right after the end of the post-World War II baby boom (1946-1964) that gave boomers their name. Generation X is often abbreviated as Gen X, and members of Generation X are commonly referred to as Gen Xers.