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Cytology funnels deposit plant or animal cells in a thin layer on slides. This mess-free microscopic preparation enables the closer study of cell structures and functions. While specific chamber volumes differ, cytology funnels feature filter cards that slowly absorb excess fluids and closure caps to retain specimen until needed. Being disposable, the devices eliminate timely sterilization procedures. The uniform cell deposition results in high quality prepared slides and decrease contamination possibility during application.