nucleolar constriction

英 美
  • 核仁缢痕
    1. The centromere is a specific genetic locus and remains relatively uncoiled during prophase, appearing as a primary constriction.
      着丝粒是一个特化的遗传区域,在细胞分裂的早期始终保持解开的结构,所以也叫做主缢痕。