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Spongia officinalis, better known as a variety of bath sponge, is a commercially used sea sponge. [2] Individuals grow in large lobes with small openings and are formed by a mesh of primary and secondary fibers.
Pinacocytes are part of the epithelium in sponges. They play a role in movement (contracting and stretching), cell adhesion, signaling, phagocytosis, and polarity. [ 2 ] Pinacocytes are filled with mesohyl which is a gel like substance that helps maintain the shape and structure of the sponge.
The hypothesis has been made that coral reef sponges facilitate the transfer of coral-derived organic matter to their associated detritivores via the production of sponge detritus, as shown in the diagram. Several sponge species are able to convert coral-derived DOM into sponge detritus, [62] [63] and transfer organic matter produced by corals ...
Print/export Download as PDF; Printable version; In other projects ... Help. Pages in category "Sponge anatomy" The following 19 pages are in this category, out of 19 ...
Depending on the body plan of the sponge (which can be asconoid, syconoid, or leuconoid), the spongocoel could be a simple interior space of the sponge or a complexly branched inner structure. Regardless of body plan or class, the spongocoel is lined with choanocytes , which have flagella that push water through the spongocoel, creating a current.
Cellular differentiation is an essential function of the archaeocyte. All specialized cells within the sponge have its origins with the archaeocyte. This is especially important in reproduction as the sex cells of the sponge in sexual reproduction are formed from these amoeboid cells.
The pinacoderm is composed of pinacocytes, flattened epithelial cells that can expand or contract to slightly alter the size and shape of the sponge. [1] It also contains porocytes, oval-shaped cells extending from the pinacoderm to the choanoderm (the body layer containing choanocytes).
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