noun Etymology: Pacific yew + -litax- (perhaps from Taxus brevifolia) + -el (alteration of 1-ol or 3-ol) Date: 1992 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

New Collegiate Dictionary. 2001.

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  • paclitaxel — pac·li·tax·el (păk lĭ tăkʹsəl) n. An anticancer drug derived from the bark of the Pacific yew tree and used in the treatment of ovarian and breast cancer that has not responded to prior therapy.   [Pacific yew + New Latin (Taxus brevifō)li(a),… …   Universalium

  • paclitaxel — noun A particular drug used in chemotherapy …   Wiktionary

  • paclitaxel — Antitumor agent that promotes microtubule assembly by preventing depolymerization; currently used in salvage therapy for metastatic carcinoma of ovary. * * * pac·li·tax·el .pak li tak səl n an antineoplastic agent C47H51NO14 that was orig.… …   Medical dictionary

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