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pinacocyte
This term is a specialized biological descriptor used almost exclusively within zoology and marine biology to describe the cellular anatomy of Porifera. It carries a neutral, scientific register and is typically found in academic textbooks or research papers concerning sponge morphology.
Because it refers to a specific type of cell, it follows standard biological naming conventions. It is distinct from choanocytes, which are the flagellated collar cells; while pinacocytes form the protective boundary, choanocytes drive the water current.
Meanings
Examples
The outer layer of the sponge is composed of a thin sheet of pinacocyte cells.
Look closely at the slide to see how each pinacocyte forms a protective barrier.
I wonder if the pinacocyte can contract to regulate the flow of water.
A pinacocyte acts as a primitive epithelial cell in these simple organisms.
The pinacocytes are flattened and tightly packed to prevent pathogens from entering.
Wait, is the pinacocyte responsible for the contraction of the osculum?
Wait, is the pinacocyte responsible for the contraction of the osculum?
The structural integrity of the pinacoderm depends on the adhesion between each pinacocyte.
Every single pinacocyte contributes to the overall filtration system of the sponge.
The researcher noted that the pinacocyte exhibited a high degree of plasticity.
The researcher noted that the pinacocyte exhibited a high degree of plasticity.