The question, What is fibromyalgia? is a complicated one that doctors and patients have been trying for decades to answer. Fibromyalgia is a chronic condition that causes intense pain all over the body, as well as a host of other symptoms. It affects more than 6 million people in the United States. Doctors classify fibromyalgia as a syndrome, which means it has a group of signs, symptoms and characteristics that occur together.
Medical Definition of Agonist. Agonist: A substance that acts like another substance and therefore stimulates an action. Agonist is the opposite of antagonist. Antagonists and agonists are key players in the chemistry of the human body and in pharmacology. Last Editorial Review: 5/13/2016.
Definition of APOMORPHINE. : a crystalline morphine derivative C17H17NO2 that is a dopamine agonist and is administered in the form of its hydrochloride for its powerful emetic action. ADVERTISEMENT.International Scientific Vocabulary.First Known Use: 1888. a crystalline morphine derivative C17H17NO2 that is a dopamine agonist and is administered in the form of its hydrochloride for its powerful emetic action. ADVERTISEMENT.