The mucosal surfaces of teleosts (bony fishes) are the major interface between fishes and
their immediate environment and serve as primary sites of entry for most pathogens. The …

In mammals, the mucosal system consists of an integrated network of tissues with
associated immune cells referred to as the mucosa-associated lymphoid tissue. A number of …

This chapter gives an overview of the immune defenses that occur at the mucosal layer,
which serves as the boundary between the individual fish and its environment. Although …