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单词 vinca
释义 vinca1|ˈvɪŋkə|
Also Vinca.
[mod.L.: see periwinkle1.]
= periwinkle1 1; vinca alkaloid, any of several alkaloids (as vinblastine, vincristine) obtained from a periwinkle.
1868D. Thomson Handy Bk. Flower-Garden ix. 250 For forming permanent edgings to large beds, these Vincas are very effective.1937A. T. Johnson Woodland Garden vii. 70 The vincas as a tribe are either misused or not used at all.1961D. Stuart Driven xvii. 170 There had been pride and delight in her eyes when first the oleanders she tended so carefully had bloomed, and all the outside of the camp was a blaze of vincas that same season.1970Passmore & Robson Compan. Med. Stud. II. xxix. 11/2 Effects peculiar to the vinca alkaloids..include paraesthesia (especially round the mouth), temporary mental depression, loss of deep tendon reflexes and more rarely headaches, psychoses and convulsions.1978R. B. Scott Price's Textbk. Pract. Med. (ed. 12) iv. 374/1 The vinca alkaloids vinblastine (VLB) and vincristine (VCR)..have a variety of toxic effects other than those on dividing cells.
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