sarcode
/ˈsɑːkɔɪd/; /ˈsɑːkroʊd/Definitions
1. noun
A type of cell found in sponges and a few other invertebrates, characterized by the presence of endoplasmic reticulum and a flagellum.
“The sponge’s body is made up of many sarcode cells that work together to filter food from the water.”