Dictionary

paclitaxel

noun pac·li·tax·el \ˌpa-kli-ˈtak-səl\

Definition of PACLITAXEL

:  an antineoplastic drug C47H51NO14 originally derived from the bark of the Pacific yew but now typically derived as a semisynthetic product of the English yew and used to treat ovarian cancer
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Origin of PACLITAXEL

Pacific yew + -litax- (perhaps from Taxus brevifolia) + -el (alteration of 1-ol or 3-ol)
First Known Use: 1992
Medical Dictionary

paclitaxel

noun pac·li·tax·el \ˌpak-li-ˈtak-səl\

Medical Definition of PACLITAXEL

:  an antineoplastic agent C47H51NO14 that was originally derived from the bark of a yew tree (Taxus brevifolia of the family Taxaceae) of the western United States and British Columbia but that is now typically derived as a semisynthetic product of the English yew (T. baccata) and is used to treat ovarian cancer which has not responded to conventional chemotherapy—see taxol

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