Steroid hormone, any of a gathering of hormones that have a place with the class of substance mixes known as steroids; they are discharged by three "steroid organs"— the adrenal cortex, testicles, and ovaries—and during pregnancy by the placenta.
All steroid hormones are gotten from cholesterol. They are moved through the circulatory system to the cells of different objective organs where they do the guideline of a wide scope of physiological capacities.
