fibre,
fiber a leatherlike material made by compressing layers of paper or cloth
somatic cell,
vegetative cell any of the cells of a plant or animal except the reproductive cells; a cell that does not participate in the production of gametes; "somatic cells are produced from preexisting cells";
musculus,
muscle authority or power or force (especially when used in a coercive way); "the senators used their muscle to get the party leader to resign"