| 单词 | macronucleus |
| 释义 | macronucleus —macronuclear, adj. /mak'roh nooh"klee euhs, -nyooh"-/, n. Biol. the larger of the two types of nuclei occurring in ciliate protozoans, having a multiple set of chromosomes and functioning in cell metabolism and protein synthesis. Cf. micronucleus. [1890-95; < NL; see MACRO-, NUCLEUS] |
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