| 释义 |
DEFINITIVE EXAMPLES 权威例句〔centromere〕The most condensed and constricted region of a chromosome to which the spindle fiber is attached during mitosis.着丝点，着丝粒：一个染色体上最密集、压缩的区域，有丝分裂时梭形纤维附着于此美国传统〔kinetochore〕Either of two submicroscopic attachment points for chromosomal microtubules, present on each centromere during the process of cell division.着丝点：染色体微管的两个亚微观连接点，在细胞分裂过程中出现在各自的着丝粒上美国传统〔polycentric〕A polycentric chromosome.多着丝点的染色体美国传统 |