The coelom and gut represent the main areas of possible infection in the earthworm body.
The number of microorganisms differs significantly in the gut and coelom.
The defense strategies in the gut and in the coelomic cavity of Eisenia andrei are different.
The pattern recognition molecule (CCF) plays a key role in the mucosal immunity of the gut.
The potential risk of infection triggers the release of coelomocytes from the lining of the coelom.