Excurrent canals are formed as a result of division of spongocoel which has almost ![]() Flagellated chambers, in their turn, communicate with excurrent canals Incurrent canals open into flagellated chambers through prosopyles. This is a characteristic feature of the leuconoid sponges such as Spongilla. In this case, the radial canals get divided into small rounded or oval flagellatedĬhambers by further folding of the body wall. Irregular course through the tissue and connect to the radial canals, thus forming large Grantia, the incurrent canals travel along an Spongocoel is a narrow, without flagellated cells but is lined by pinacocytes and Radial canals are the flagellated chambers that open into central spongocoel by Ostia open into the incurrent canals, which lead into adjacent radial canals through The spongocoel by an opening called apopyle. Body wall is secondarily folded to form incurrent and radial canals, which open into Characteristic of syconoid sponges, e.g. ![]()
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