单词	brain hormone
释义	brain hormone noun 1 : a hormone that is secreted by neurosecretory cells of the insect brain and that stimulates the prothoracic glands to secrete ecdysone 2 : any of various hormones (such as serotonin) produced in or acting on the vertebrate brain or central nervous system —not usually used technically Example Sentences Recent Examples on the Web If this is the case, the immune system would be mistakenly attacking the brain cells which contain this brain hormone, says NINDS. Sarah Fielding, Health.com, 7 Dec. 2021 On the flip side, the production of melatonin, a brain hormone that regulates sleep, is triggered when the body is in darkness. Popular Science, 24 Jan. 2021 The male pill works by blocking those brain hormones, which then lowers testosterone levels and, is expected to shut down sperm production. Jonathan Lapook, CBS News, 20 Mar. 2018 Word History First Known Use 1957, in the meaning defined at sense 1 Medical Definition brain hormone noun : any of various hormones (as serotonin and melatonin) produced in or acting on the vertebrate brain or central nervous system —not usually used technically
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