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.
325 Comments. â¢ 1  1 year ago. I was born in 1975, Thatâs as Gen X as you can get, but im sorry thereâs no way anyone born before 1965 is Gen X. Those are late boomers. â¢ 2  1 year ago. I am a gen Xer and I for one am very tired of the disrespect. â¢ 3  1 year ago.