固缩 Pyknosis
（重定向自Karyopyknosis）
固缩（又叫细胞致密变化，英语：Pyknosis）是细胞经历坏死或凋亡后核内染色质不可逆的压缩。接着会发生核破裂。红血球或中性白血球成熟时也会观察到固缩。
karyopyknosis
英汉-汉英词典
核固缩
词组 | 习惯用语
您要查找的是不是：
- psychokinesis n. 精神致动；念力
- parthenogenesis n. 单性生殖；孤雌生殖
karyopyknosis [细胞] 核固缩; 核浓缩;
英语例句库
- a.双极细胞核周池扩张(黑箭),核固缩(黑箭头)TEM×7 500;
The expansion of paronucleusspace(black arrow)and karyopyknosis(black arrowhead)of the bipolar cells TEM×7 500; - a small number of follicular lymph nodes Karyopyknosis fragmentation lymphocytes, bone marrow cavity at Ye mild leukocyte reduction;
淋巴结淋巴滤泡少数淋巴细胞核固缩碎裂，骨髓腔分叶核粒细胞轻度减少；
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中文百科
英语百科
Pyknosis 固缩
（重定向自Karyopyknosis）
Pyknosis, or karyopyknosis, is the irreversible condensation of chromatin in the nucleus of a cell undergoing necrosis or apoptosis. It is followed by karyorrhexis, or fragmentation of the nucleus. Pyknosis (from Greek pyknono meaning "to thicken up, to close or to condense") is also observed in the maturation of erythrocytes (a red blood cell) and the neutrophil (a type of white blood cell). The maturing metarubricyte (a stage in RBC maturation) will condense its nucleus before expelling it to become a reticulocyte. The maturing neutrophil will condense its nucleus into several connected lobes that stay in the cell until the end of its cell life.