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1 Ghrelin is secreted by endocrine cells in the stomach, especially when one is hungry and. 2  acts on the hypothalamus to stimulate feeding. 3  This action counteracts the inhibition of feeding by leptin and PYY3-36. Ghrelin is secreted by endocrine cells in the stomach, especially when one is hungry and. 2  acts on the hypothalamus to stimulate feeding. 3  This action counteracts the inhibition of feeding by leptin and PYY3-36.
 Some names of hormones that are secreted are estrogen,  testosterone, thyroid hormone, growth hormone and luteinizing  hormone.astrin stimulates the secretion of hydrochloric acid and pepsin; induces contraction of the lower oeso â¦ phagus; mildly increases the motility of the GI tract; and relaxes the pyloric sphincter. 1 person found this useful.