Definitions

1. noun

A cell structure found in sponges and other simple multicellular organisms, consisting of a group of cells with a common opening.

“The choanosome is a key feature in the body plan of sponges, allowing them to filter food particles from the water.”

2. noun

In some contexts, the choanosome can also refer to the group of cells that form the core of a sponge body.

“The choanosome plays a central role in the sponge’s ability to capture food particles and nutrients from its surroundings.”