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1宫颈管内环境的形态学基础与妊娠1.1宫颈管黏膜的解剖结构宫颈管内黏膜由高柱状上皮覆盖,分泌大量黏液,形成胶冻状黏液栓。宫颈管黏膜形成数条棕榈皱褶、嵴突或凹陷,雌激素增加陷窝的表面积,为宫颈黏液分泌奠定基础。通常黏膜厚度为5mm,少数情况可达10mm。柱状上皮分为3种:(1)
1, the morphological basis of cervical canal environment and pregnancy 1.1 cervical canal mucosa anatomy cervical mucosa covered by high columnar epithelium, secreting large amounts of mucus, the formation of jelly-like mucus plug. Cervical mucosa formed a few palm folds, crest or depression, estrogen increased the surface area of the lacuna for the establishment of cervical mucus secretion foundation. Mucosal thickness is usually 5mm, a few cases up to 10mm. Columnar epithelium is divided into three kinds: (1)