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 STEROID HORMONE. : any of numerous hormones (as estrogen, testosterone, cortisone, and aldosterone) having the characteristic ring structure of steroids and formed in the body from cholesterol. What made you want to look up steroid hormone?edical Definition of STEROID HORMONE. : any of numerous hormones (as estrogen, testosterone, cortisone, and aldosterone) having the characteristic ring structure of steroids and formed in the body from cholesterol. What made you want to look up steroid hormone?