catagen

On the basis of HF development we could divide HF cycle into four stages, i.e. anagen, catagen, telogen and a putative active exogen.

根据毛囊的发育和生长可将毛囊循环周期分为四个阶段，即生长期（anagen）、退化期（catagen）、静止期（telogen）和一个推测的活跃脱毛期（exogen）[17,36]。

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Conclusion hair growth lotion can promote the growth of hair follicle by inhibiting the appearance of catagen.

结论：生发液能够延缓器官培养毛囊的退化期出现而延长生长期，促进毛囊长度的增长。

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The morphology study showed that catagen/ telogen stages occurred in the hair follicles in the control group, while the hair follicles in the experimental group were still maintaining in anagen stages.

毛球形态观察，对照组毛囊出现退行性变化，而中药组毛囊仍维持生长期毛囊形态。

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The DPC distributed in two different types during catagen.

体外培养的人发毛囊在培养中后期进入退化期后，毛乳头细胞存在两种分布类型；

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The growth of human HF cultured in vitro varied with the different cultural media, those in DMEM supplemented with 10% calf serum tended to transform into catagen earlier.

人发游离毛囊体外培养中，培养基构成对毛囊的生长有直接影响。含小牛血清的DMEM培养基中生长的毛囊易于进入退化期；

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