noun
choanocyte; collar cell
A specialized cell type found in sponges, characterized by a collar of microvilli surrounding a flagellum; used in zoology and biology contexts.
海綿動物の襟細胞は、水流を作り出して餌を捕らえる。
The choanocytes of sponges create water currents to capture food.
Compound of 襟 (eri, 'collar') and 細胞 (saibō, 'cell'), referring to the collar-like structure of the cell.