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 protein structures that form early in mitosis, or cell division. They consist of microtubules that originate from the centrioles, two wheel-shaped bodies located in the centromere area of the cell. The centromere is also known as the microtubule organizing center.