Most of the axons in the central nervous system are wrapped in myelin, a substance rich in lipids (fatty substances) and proteins. Like the coating around an electrical wire, myelin insulates and protects the axon and helps speed nerve transmission.
Potato/Semi Round Pearls. Potato pearls are some of the less expensive freshwater pearls to be found on the market, but their look is anything but cheap. You can purchase potato pearls in every color of the rainbow, and craft beautiful one of a kind creations for gifts and your own collection.
Yukon Gold (potato) Yukon Gold is a large variety of potato most distinctly characterized by its thin, smooth eye-free skin and yellow-tinged flesh. This potato was developed in the 1960s by G. R. Johnston, R.G. Rowberry, and Dr. Norman Thompson in Guelph, Ontario, Canada at the University of Guelph. The official cross was made in 1966 and the 'Yukon Gold' was finally released into the market in 1980.