Ghrelin Ghrelin Ghrelin (pronounced ), the "hunger hormone", also known as lenomorelin (INN), is a peptide hormone produced by ghrelinergic cells in the gastrointestinal tract that functions as a neuropeptide in the central nervous system. Besides regulating appetite, ghrelin also plays a significant role in regulating the distribution and rate of use of energy. When the stomach is empty, ghrelin is secreted. When the stomach is stretched, secretion stops. It acts on hypothalamic brain cells both to increase hunger, and to increase gastric acid secretion and gastrointestinal motility to prepare the body for food intake. The receptor for ghrelin, the ghrelin/growth
Doctor Hormone to aid in their nation's wars against its neighbors, Doctor Hormone and his granddaughter Jane traveled to the besieged nation of Novoslavia, where he used his scientific expertise to help battle the Urasian invaders, who were using the hormones to create armies of part animal/part human men. Later, Doctor Hormone was employed as a researcher for the United States Army and worked in a laboratory at Fort Knox. Doctor Hormone was later summoned by a disembodied voice called The Thinker who temporarily endowed him with superhuman powers to fight off an invasion of Texas by the Nazians. Then, The Thinker