Morphologic and histochemical evidence for the occurrence of collagenolysis and for the role of neutrophilic polymorphonuclear leukocytes during cervical dilation.

@article{Junqueira1980MorphologicAH,
  title={Morphologic and histochemical evidence for the occurrence of collagenolysis and for the role of neutrophilic polymorphonuclear leukocytes during cervical dilation.},
  author={Luiz C. U. Junqueira and Marcelo Zugaib and Gregorio Santiago Montes and Olga Maria Szymanski Toledo and R. M. Kriszt{\'a}n and K. M. Shigihara},
  journal={American journal of obstetrics and gynecology},
  year={1980},
  volume={138 3},
  pages={273-81}
}
Biopsy specimens of nonpregnant and intrapartum human cervices were studied by electron microscopy, and by the Picrosirius-polarization method which is a specific procedure for the detection of collagen fibers in tissue sections. The results obtained demonstrate a marked reduction of collagen fibers in the intrapartum material as compared to the samples of nonpregnant cervices. Evidence that indicated the presence of a widespread collagenolysis in the intrapartum biopsy specimens was obtained… CONTINUE READING

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