Definition of pregnenolone
: an unsaturated hydroxy steroid ketone C21H32O2 that is formed by the oxidation of steroids (such as cholesterol) and yields progesterone on dehydrogenation
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Origin and Etymology of pregnenolone
International Scientific Vocabulary pregnene (C21H34) + 1-ol + -one
Medical Dictionary
pregnenolone
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noun
preg·nen·o·lone
\preg-ˈnen-əl-ˌōn\
Medical Definition of pregnenolone
: an unsaturated hydroxy steroid ketone C21H32O2 that is formed by the oxidation of steroids (as cholesterol) and yields progesterone on dehydrogenation
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Britannica.com: Encyclopedia article about pregnenolone
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