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choanocyte
This term is a highly specialized biological descriptor used almost exclusively within zoology and marine biology. It describes the unique cellular architecture of sponges, specifically the "collar cell" that drives the organism's entire feeding and respiratory mechanism.
Because it refers to a specific cell type, it is used in a descriptive, scientific register. It is rarely encountered outside of academic texts, textbooks, or professional research regarding Porifera.
Meanings
Examples
The choanocyte uses its flagellum to pump water through the sponge.
Look at the slide and try to identify a single choanocyte.
Each choanocyte is equipped with a collar of microvilli to trap bacteria.
I wonder if the choanocyte efficiency decreases in turbid water.
The movement of the choanocyte creates a constant current within the spongocoel.
Is a choanocyte considered a true epithelial cell?
Is a choanocyte considered a true epithelial cell?
Nutrients captured by the choanocyte are passed to amoebocytes.
The structural similarity between a choanocyte and a choanoflagellate suggests a common ancestor.
The structural similarity between a choanocyte and a choanoflagellate suggests a common ancestor.