Fusome
large intracellular spectrin-rich structure that has been found in insect germline cells and mammalian hematopoietic cells From Wikipedia, the free encyclopedia
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Fusome is a term from microbiology that describes a way different cells communicate with each other. Fusomes are simple openings, or pores, in the walls of certain types of cells. These allow certain chemical compounds to pass through.
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“Fusome (Hirschler 1948) – intercellular bridges in various tissues wich undergo a common synchnonous development. Unlike the other intrcellular complexes such as → desmosomes and → plasmodesmata, the fusomes merely consist single, large annular openings in the cell wall. Electrom microscope observations support the theory that these bridges allow the free passage of cytoplasmic materials, including the mitochondria. The fusomes are probably the result of incomplete cell division where the annual furrow of the spindle residual-body does not divide completely durig → cytokinesis. The fusosomes show a strongly osmophylic anular thickening around the opening.“[1][2]
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