Related Words

Hormones: Regulators of various biological processes through their ability to control the action of enzymes. Made from proteins, such as insulin for blood sugar control, or cholesterol for testosteron . . . View Full Definition

Sex Hormones: A group of steroid hormones produced by the adrenal cortex. Hormones that are produced in the gonads and promoted development and maintainence of the secondary sex characteristics and struct . . . View Full Definition

Thyroid-Stimulating Hormone: A hormone produced by the anterior pituitary that stimulates the production and release of thyroid hormones.

Adrenal Glands: A pair of glands positioned above the kidneys, which are responsible for production of stress hormones including adrenaline and cortisone.

Testes: The male gonad; produce spermatozoa and male sex hormones. Male gonads in mammals. Singular, testis. Paired organs that contain seminiferous tubules in which sperm are produced.

Steroids: Compounds with a skeleton of four rings of carbon to which various side groups are attached; one of the three main classes of hormones.

Prostaglandin: A hormone-like compound with many affects including effects on the secretion of hormones and enzymes, inflammatory response, blood pressure and blood clotting.

Seminal Vesicles: Glands that contribute fructose to sperm. The fructose serves as an energy source. The structures that add fructose and hormones to semen.

Vitamin B3: Also known as Niacin. Synthesizes sex hormones and helps nervous system, stimulates blood flow, decreases cholesterol levels, causes warming and redness of the body, especially in the facial . . . View Full Definition

Endocrine Disruptor: A chemical agent that interferes with natural hormones in the body. Hormones are secreted by endocrine glands (such as the pituitary, thyroid, pancreas, ovary, and testis), are transported t . . . View Full Definition