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观察大鼠触须毛囊上段组织的体外培养,筛选最优培养液,为毛乳头体外再生奠定基础。将大鼠触须毛囊上段组织分别培养于Williams E无血清培养液、含5%胎牛血清(FCS)的MEM培养液、Williams E无血清培养液+20 ng/mL EGF+10 ng/mL IGF-1、含5%FCS MEM培养液+20 ng/mL表皮生长因子(EGF)+10 ng/mL胰岛素生长因子1(IGF-1)、5%FCS MEM培养液+20 ng/mL EGF+10 ng/mL IGF-1+10^-7 mmol/L双氢睾酮(DH