<i>In vitro </i>Studies of Chicken Lymphoid Cells

The participation of thymus‐derived and of bone marrow‐derived lymphocytes of sensitized mice, in the proliferative response to specific antigen, in vitro

“…Recent evidence indicates, however, that the bone marrow (€3)-derived cells are also involved in the proliferative reaction t o antigen. This evidence is based on experiments with B cells of mice [4, 51, guinea pigs [6] and chicken [7,8].…”