Question

What are choanocytes? Give their function.

Answer 1

Choanocytes:

1. The fundamental element of the suite of cells in a sponge body is the choanocyte.
2. Choanocytes are the cells that line the spongocoel and canals of poriferans.
3. They possess flagella and the cooperative movement of flagella filters the nutrients out from the water.
4. Choanocytes are specialized cells that have a single flagellum surrounded by means of a net-like collar of microvilli.
5. Choanocytes join together to create the choanoderm, where they perform their main functions.
6. The first is to create a flow of water and the second is to capture food items as they pass through these cells.