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<正>人类的宫颈是由大量的胶元纤维、基质和水组成的纤维结缔组织,含有少量的弹性纤维平滑肌。其中70％的胶元纤维为Ⅰ型,30％为Ⅲ型,胶元纤维集聚成束并嵌于由蛋白多糖组的基质中,胶元的主要作用是维持宫口于关闭状态,而基质对保持给织中的水分及调节细胞外液中的Ca++、Mg++、K+、Na+等阳离子在组织中的分布有重要作用。孕足月宫颈的成熟依赖于结缔组织框架的广泛改变,当今对促宫颈成熟的方法及其机制的解释已集中于宫颈胶元和其它基质成分结构和量的变化。主要是胶元酶和蛋白多糖的变化,不成熟的宫颈缺乏相应的生理性改变,引起不良的产科后果,从而使促宫颈成熟及其机制的研究成为必要。
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基本信息:
DOI：
中图分类号:R719.3
引用信息:
[1]黄燕萍.促宫颈成熟的研究进展[J].武汉职工医学院学报,1995(03):45-48.
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