2nd October 2019

study
13

What is the function of Amoebocytes in feeding?

Sponges do not have any organs or specialized tissues. They are just a few kinds of cells working together. One of these types fare called amoebocytes. Amoebocytes play vital roles in structure, digestion, reproduction, and regeneration of sponges.

What is the feeding method of a sponge?

Sponges have a unique feeding system among animals. Instead of a mouths they have tiny pores (ostia) in their outer walls through which water is drawn. Cells in the sponge walls filter food from the water as the water is pumped through the body and the osculum ("little mouth").

What is the function of the Porocytes?

They also form a circular ring around the osculum and help in closing and opening of it. Once through the pores, water travels down canals. The opening to a porocyte is a pore known as an ostium. In sponges, like Scypha, there are some cells that have an intracellular pore. These cells are known as porocytes.
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