8 They're also huge. The Great Lakes touch Canada, Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania and Wisconsin. Combined, the length of all five shorelines is about 44 percent of the Earth's circumference.
1 Spindle (textiles) , a device to spin fibers into thread. 2  Spindle (tool) , is the main rotating part of a machine tool, woodworking machine, etc. 3  Segmented spindle, a spindle consisting of discrete elements that can be assembled and disassembled on the fly.
Spindle fibers are made up of microtubules. These are present in the cytoplasm of cells and used by the cell to form the cytoskeleton and moving cell organelles and other structures. In plant cells, during mitosis, they will organize and form the spindle.