When one burns wood or coal to produce heat, toxins are released in the form of smoke. The same happens when your body burns food for energy. This process is called metabolism and the toxic molecules produced as a result are called free radicals.
hormones, thyrotropic (thyroid-stimulating hormone [TSH]), n a pituitary hormone that regulates the growth and activity of the thyroid gland.ormones, thyrotropic (thyroid-stimulating hormone [TSH]), n a pituitary hormone that regulates the growth and activity of the thyroid gland.
Medical Definition of Hormone, erythropoietin. Hormone, erythropoietin: Erythropoietin is a substance produced by the kidney that leads to the formation of red blood cells in the bone marrow. Abbreviated: EPO. The kidney cells that make EPO are specialized and are sensitive to low oxygen levels in the blood coming into the kidney.