Steroid hormone, any of a group of hormones that belong to the class of chemical compounds known as steroids; they are secreted by three “steroid glands”—the adrenal cortex, testes, and ovaries—and during pregnancy by the placenta. All steroid hormones are derived from cholesterol.Feb 8, 2018
Hormones, in their most basic sense, are chemical messengers. Hormones are released from specific organs or glands in the body and travel through the blood stream to send messages to other cells. All of the cells in our bodies have specific hormone receptors.
Gonadal hormones (oestrogen, progesterone and testosterone) are produced by the gonads (the ovaries and testes) in response to other precursor hormones found in the pituitary gland and other brain areas. These gonadal hormones impact brain chemistry and circuitry, and hence influence emotions, mood and behaviour.Oct 1, 2015