Used tractor prices will vary depending on age and model of each tractor. A farmer uses a tractor to pull a cultivator. Used farm tractors have their own blue book where a person can look up their approximate value.
anabolic steroid any of a group of synthetic derivatives of testosterone having pronounced anabolic properties and relatively weak androgenic properties; they are used clinically mainly to promote growth and repair of body tissues in diseases or states promoting catabolism or tissue wasting.nabolic steroid any of a group of synthetic derivatives of testosterone having pronounced anabolic properties and relatively weak androgenic properties; they are used clinically mainly to promote growth and repair of body tissues in diseases or states promoting catabolism or tissue wasting.
Designer steroids. A particularly dangerous class of anabolic steroids are the so-called designer drugs â synthetic steroids that have been illicitly created to be undetectable by current drug tests. They are made specifically for athletes and have no approved medical use.ome athletes take a form of steroids â known as anabolic-androgen steroids or just anabolic steroids â to increase their muscle mass and strength. The main anabolic steroid hormone produced by your body is testosterone. Testosterone has two main effects on your body: 1  Anabolic effects promote muscle building.