![Calcareous sponge (Sycon) cross section showing choanocyte chambers, inhalant canals, mesophyle and spongocoel. Optical microscope X40 Stock Photo - Alamy Calcareous sponge (Sycon) cross section showing choanocyte chambers, inhalant canals, mesophyle and spongocoel. Optical microscope X40 Stock Photo - Alamy](https://c8.alamy.com/comp/2DF6GY5/calcareous-sponge-sycon-cross-section-showing-choanocyte-chambers-inhalant-canals-mesophyle-and-spongocoel-optical-microscope-x40-2DF6GY5.jpg)
Calcareous sponge (Sycon) cross section showing choanocyte chambers, inhalant canals, mesophyle and spongocoel. Optical microscope X40 Stock Photo - Alamy
![Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent Cross Section Sponge, vintage line drawing or engrav Stock Vector Image & Art - Alamy Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent Cross Section Sponge, vintage line drawing or engrav Stock Vector Image & Art - Alamy](https://c8.alamy.com/comp/2C9CAH9/sponge-are-multicellular-aquatic-organisms-members-of-the-phylum-porifera-this-figure-represent-cross-section-sponge-vintage-line-drawing-or-engrav-2C9CAH9.jpg)
Sponge are multicellular aquatic organisms, members of the phylum Porifera. This figure represent Cross Section Sponge, vintage line drawing or engrav Stock Vector Image & Art - Alamy
![Schematic presentation of water-current system in different sponges... | Download Scientific Diagram Schematic presentation of water-current system in different sponges... | Download Scientific Diagram](https://www.researchgate.net/publication/339439519/figure/fig4/AS:861661237895169@1582447456654/Schematic-presentation-of-water-current-system-in-different-sponges-with-the-leuconoid.png)