cor·​ti·​co·​ste·​rone | \ ˌkȯr-tə-ˈkä-stə-ˌrōn How to pronounce corticosterone (audio) , -ti-kō-stə-ˈrōn; ˌkȯr-ti-kō-ˈstir-ˌōn, -ˈster-\

Definition of corticosterone

: a colorless crystalline corticosteroid C21H30O4 that is important in protein and carbohydrate metabolism

Examples of corticosterone in a Sentence

Recent Examples on the Web The researchers also collected each rat's droppings at various points during the study to analyze them for metabolites of corticosterone and dehydroepiandrosterone, a pair of hormones. Jonathan M. Gitlin, Ars Technica, "Rats love driving tiny cars, even when they don’t get treats," 1 Nov. 2019 In sifting through their fecal matter, Lambert found both groups of rats trained to drive secreted higher levels of corticosterone and DHEA, hormones that control stress responses. Scottie Andrew, CNN, "Scientists taught rats to drive little rat-sized cars. It could advance human mental health treatment," 23 Oct. 2019 Dr Lynch knew from previous work by her collaborators at the University of Houston that corticosterone and its metabolites show up in penguin guano. The Economist, "Contrary to the fears of some, penguins and people do mix," 11 July 2019 The researchers found elevated levels of corticosterone, a stress hormone, and higher levels of DNA methylation, a molecular process that indicates changes in which genes are activated. Jennifer Leman, Scientific American, "Bird Embryos Vibrate to Warn One Another of Danger before They Hatch," 22 July 2019 Baby rats that received more of this care had less of the stress hormone corticosterone. Judith Newman, New York Times, "Adversity Needn’t Thwart or Define You. Here’s How to Cope.," 6 July 2018 Before releasing them back into the wild, Douglas measured the birds' fitness through a stress response hormone called corticosterone—the bird equivalent of cortisol. Kevin Schafer, National Geographic, "These Birds Make Their Own Citrus-Scented Cologne," 25 May 2018 The team found a linear relation between distance from the compressors and baseline corticosterone; birds nesting closest had lower stress hormone levels. Amy Mathews Amos, Scientific American, "Oil- and Gas-Drilling Noise Stresses Birds," 1 Apr. 2018 The researchers measured levels of the stress hormone corticosterone in adult females and nestlings of the three species at all the nest boxes over three years. Amy Mathews Amos, Scientific American, "Oil- and Gas-Drilling Noise Stresses Birds," 1 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'corticosterone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of corticosterone

1937, in the meaning defined above

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Last Updated

19 Nov 2019

Time Traveler for corticosterone

The first known use of corticosterone was in 1937

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More Definitions for corticosterone


cor·​ti·​co·​ste·​rone | \ ˌkȯrt-ə-ˈkäs-tə-ˌrōn, -i-kō-stə-ˈ; ˌkȯrt-i-kō-ˈsti(ə)r-ˌōn, -ˈste(ə)r- How to pronounce corticosterone (audio) \

Medical Definition of corticosterone

: a colorless crystalline corticosteroid C21H30O4 of the adrenal cortex that is important in protein and carbohydrate metabolism

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concealed or difficult to comprehend

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