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.
Net Carbs - 4g. Pearl Onion. Pearl onions are small, white onions that are often used in beef stews and other meat dishes. They have a mild flavor and are usually served whole, cooked in the sauce or juice of a dish.Total Carbs - 5g. Fiber - 1g. Net Carbs - 4g. Shallots. Shallots are a sweeter style of onion.earl Onion. Pearl onions are small, white onions that are often used in beef stews and other meat dishes. They have a mild flavor and are usually served whole, cooked in the sauce or juice of a dish.