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  • Title: The effects on stretching and prostaglandin F2alpha on the contractile and bioelectric activity of the uterus in rat.
    Author: Laudański T, Rocki W.
    Journal: Acta Physiol Pol; 1975; 26(4):385-93. PubMed ID: 1199746.
    Abstract:
    The effects of stretching and of prostaglandin F2alpha on spontaneous and induced with local deformation contractile activity of rat uterus were studied. It was found that stretching the uterus up to the length of the decontracted organ in vivo increased the contractile and bioelectric activity. The rise in spontaneous uterine activity was a factor reducing induction of additional contractions. The fall in the level of endogenous prostaglandins in the uterus following administration of indomethacin inhibited the spontaneous contractile activity but was without effect on the contractions induced by local deformation of the myometrium. Prostaglandin F2alpha added to the bath in a concentration of 0.001 ng/ml exerted an inhibitory action on the different tested parameters of the contractile activity. After high doses stimulation of the uterine activity was observed.
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