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 microtubules attach to a specific protein complex called the kinetochore, which is in the centromere area near the center of each chromosome. Other microtubules attach to the chromosome arms or to the other end of the cell.The chromosomes can also create microtubules, as can the spindle itself. The spindle and chromosomal microtubule arrangement is a macromolecular machine that is intricate and dynamic.omponents. The spindle microtubules are protein fibers made up of as many as 45 different proteins that grow from the centrioles. They form a polymer, which is a large molecule made up of many similar molecules linked together.