单词 | micronucleus |
释义 | micronucleus Zool.|maɪkrəʊˈnjuːklɪəs| Pl. -nuclei. [f. micro- + nucleus.] The smaller of the two nuclei of a protozoon. Hence microˈnuclear a., of or pertaining to a micronucleus.
1892[see macro-nucleus]. 1901G. N. Calkins Protozoa 194 The micronuclei play the most important part in conjugation. Ibid., The new macronucleus is formed by the enlargement of a daughter-micronucleus. 1905Brit. Med. Jrnl. 25 Feb. 441 A special ingrowth of micronuclear cells..gave rise to the mesamœboid (mesoblastic) cells. |

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