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.
First cell division of a growing embryo (Enlarged Image). The spindle apparatus, or simply the spindle, is a network of microtubules (also called spindle fibers) that forms within a dividing eukaryotic cell, both during mitosis and meiosis (see figure at right).