单词 | plastid |
释义 | plastid /plas"tid/, n. Cell Biol. a small, double-membraned organelle of plant cells and certain protists, occurring in several varieties, as the chloroplast, and containing ribosomes, prokaryotic DNA, and, often, pigment. [1875-80; < G Plastide < Gk plastid-, s. of plástis, fem. deriv. of plástes modeler, creator, deriv. of plássein to form] |
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