单词 | leucoplast |
释义 | > as lemmasleucoplast leucoplast n. Brit. /ˈl(j)uːkə(ʊ)plɑːst/ , /ˈl(j)uːkə(ʊ)plast/ , U.S. /ˈlukəˌplæst/ [Greek πλαστός moulded] Biology = leucoplastid n.ΚΠ 1886 Jrnl. Royal Microsc. Soc. 6 640 In the lower plants..the formation of leucoplasts is a subsequent process, a transformation of the coloured into a colourless chromatophore. 1887 W. Hillhouse tr. E. Strasburger Handbk. Pract. Bot. iv. 44 We can..distinguish the chlorophyll-bodies, colour-bodies, and colourless starch-builders as Chloroplasts, Chromoplasts, and Leucoplasts respectively. 1902 H. Wager in Encycl. Brit. XXVII. 333/1 As the cell grows they [sc. the chromatophores] may become converted into leucoplasts (starch-formers), chloroplasts (chlorophyll-bodies), or chromoplasts (colour-bodies). 1964 Oceanogr. & Marine Biol. 2 199 All species [of the genus Caulerpa of green algae] possess amyliferous leucoplasts as well as the ordinary green plastids. < as lemmas |
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