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].
Site Selection. Different truffles require different climates and soils. The French black truffle (Tuber melanosporum), the truffle species most widely and successfully cultivated, needs a climate without extreme summer heat or extreme winter cold. The truffles begin to form in the soil during the summer when they are vulnerable to damage from high soil temperatures and dry conditions.