单词 | hypochromatosis |
释义 | hypochromatosis Cytology.|ˌhaɪpəʊkrəʊməˈtəʊsɪs| [mod.L., f. hypo- 4 + chromato-, chromatin + -osis.] An abnormally small amount of chromatin or number of chromosomes in a cell or nucleus.
1913[see hyperchromatosis 2]. 1919Encycl. Medica (ed. 2) VI. 311 Hypochromatosis is a deficiency in chromatin—thus nuclear hypochromatosis is the condition of the nucleus of a cell in which there is a reduction in the number of chromosomes. |

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