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metyrapone

noun me·tyr·a·pone \ mə-ˈtir-ə-ˌpōn also -ˈtīr- \
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medical Definition of metyrapone

: a metabolic hormone C14H14N2O that inhibits biosynthesis of cortisol and corticosterone and is used to test for normal functioning of the pituitary gland — see metopirone

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