Damage to thymus in a child may lead to:

Step-by-step solution

Thymus is the primary lymphocyte, which is involved the production and maturation of T lymphocytes. T lymphocytes provide cell mediated immunity. B cells, which mature in the bone marrow, are responsible for antibody-mediated immunity. Related Theory Immature T lymphocytes are cells that have not yet encountered their specific antigen. In peripheral lymphoid organs, they can interact with antigen-presenting cells (APCs), which use MHC molecules to present antigen. Once the T lymphocytes recognise their specific ant