Definition of agency. plural. agencies. 1a : the office or function of an agent (see agent 4)b : the relationship between a principal and that person's agent. 2 : the capacity, condition, or state of acting or of exerting power : operation. 3 : a person or thing through which power is exerted or an end is achieved : instrumentality communicated through the agency of the ambassador.
1 Gout is a type of arthritis that causes inflammation, usually in one joint, that begins suddenly. 2  Gouty arthritis is caused by the deposition of crystals of uric acid in a joint. 3  Gout can cause symptoms and signs such as. 4  nodules under the skin called tophi, 5  joint redness, 6  swollen joints, 7  joint pain, and.  warmth of the joint.
Gout is a disorder that occurs when excess uric acid builds up in your joints and tissues and forms urate crystals. The presence of these crystals can cause bouts of fever and extreme joint pain in what is called a gout attack. The joints may also become red and swollen, and bumps may develop just beneath the skin of your feet, legs and arms.