在有丝分裂过程中，因细胞核中出现染色体(chromosome)与纺锤丝(spindle fiber)，故称为有丝分裂。主要发生在植物根尖、茎尖及生长快的幼嫩部位的细胞中。
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spindle fiber attachment 纺锤丝附着点 ; 丝点
continuous spindle fiber 连续纺锤丝
intranuclear spindle fiber 核内纺锤丝
chromosome spindle fiber 染色体纺缍丝
chromosomal spindle fiber 染色体纺锤丝
extranuclear spindle fiber 核外纺锤丝
primary spindle afferent fiber 肌梭禄级传入纤维
Scanning electronic microscopy showed that cells with spindle shape spread on PGA fiber.
扫描电镜可见细胞在PGA纤维上生长良好，呈长梭形。
Tumor tissue from the spindle cells and collagen fiber bundles cutting through, glass-like degeneration and calcification.
瘤组织由梭形细胞和胶原纤维束交织而成，可发生玻璃样变和钙化。
Objective: To study the muscle spindle morphology, distribution and their relationship with the fiber-types in human pectoralis major and pectoralis minor.
目的：探讨人胸大肌、胸小肌肌梭的形态、分布及其与梭外肌纤维型的关系。
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