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.
Potato shape pearls. Pearl beads: Wholesale freshwater potato shaped pearls,potato pearl beads strands at Topearl, online jewelry store. Potato Pearls, shaped like a potato. are more rounder than rice pearls. Potato shaped Pearls are drilled on the shorter dimension, the size measured is refered to the shorter dimension. Also wholesale: Pearl strands, Pearl necklace, Coral jewelry, Turquoise jewelry.