Test Overview. An electromyogram (EMG) measures the electrical activity of muscles when they're at rest and when they're being used. Nerve conduction studies measure how well and how fast the nerves can send electrical signals. Nerves control the muscles in the body with electrical signals called impulses.
From Wikipedia... <br /><br /> The mycelia of truffles form symbiotic relationships with the roots of several tree species including beech, oak, birch, hornbeam, hazel and pine[5][6].
Quick Answer. Truffles are a type of fungi, similar to mushrooms, that grow beneath the ground. Truffles are one of the most treasured foods because they grow only in certain parts of the world, and are extremely hard to find. Continue Reading.