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Antifertility Activity of Hydroalcoholic Extract of Ocimum Basilicum Linn. Leaves on Female Wistar Rats

Journal of Reproduction and Contraception 2013年第1期24卷 45-54页

作者： alia bilal Nasreen Jahan Ajij Ahmed Saima Naaz bilal Shahida Habib Department of Ilmul Advia (Pharmacology) National Institute of Unani Medicine Department of Obstetrics and Gyneacology M.I.J. Tibbiya College Department of Obstetrics and Gyneacology Kashmir Tibbiya College

Objective To determine the effect of hydroalcoholic extract of Ocimum basilicum Linn. leaves on ovulation, implantation and maintenance of pregnancy in adult female cyclic Wistar rats. Methods Ocimum basilicum leaves extract （364 mg/kg and 624 mg/kg） was screened for its antiovulatory, antiimplantation and abortifacient activities. Vaginal smear of each rat was monitored daily during the 15-day treatment of the first experiment. Estimation of cholesterol in ovarian tissue and its histology was carried out to confirm its antiovulatory activity. In the second and third experiments, animals received treatment from 1st to 7th and 8th to 16th day of pregnancy, respectively. The number of implantations and litter size were determined through laparotomy on l Oth and 20th day of pregnancy, respectively in two tests. The treated groups were compared with pain control. Results A significant increase in duration of estrus cycle and diestrus phase was observed （P〈O.O01）. A significant decrease in ovarian weight and notable increase in ovarian tissue cholesterol level was also observed （P〈O. 001）. Weight of uterus in treated group was found to be decreased. Histological report showed presence of large corpora lutea in ovarian parenchyma. Neither antiimplantation nor abortifacient effect was observed in rats treated with both the doses of extract. Conclusion Hydroalcoholic extract of Ocimum basilicum interferes normal ovulation by disrupting the estrus cycle and prolonging diestrus phase thus, has a potential of being developed into a female contraceptive.

关键词： herbal contraceptive ovulation implantation cholesterol estrus cycle vaginal smear rats

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Mixed Convection of Bingham Fluid in a Two Sided Lid-Driven Cavity Heated From Below

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Fluid Dynamics & Materials Processing 2019年第2期15卷 107-123页

作者： Toufik Benmalek Ferhat Souidi Mourad Moderres bilal Yassad Said Abboudi Laboratoire de mécanique des fluides théorique et appliqué USTHBB.P.32El-AliaBab-Ezzouar16111 AlgerAlgérie Laboratory of Industrial Fluids Measurements and Applications(FIMA)UDBKM44225Ain DeflaAlgeria Laboratoire M3MUTBM 90010 Belfort CedexFrance

This study aims to analyze mixed convection in a square cavity with two moving vertical walls by finite volume *** cavity filled with Non-Newtonian fluid of Bingham model is heated from below and cooled by the other *** study has been conducted for certain parameters of Reynolds number(Re=1-100),Richardson number(Ri=1-20),Prandtl number(Pr=1-500),and Bingham number has been studied from 0 to *** results indicate that the increase in yield stress drops the heat transfer and the flow become flatter,while increasing Reynolds number augments *** convective transport is dominant when increasing Richardson number which leads to enhance heat transfer in the cavity for both Newtonian and Non-Newtonian fluid.A correlation of Nusselt number is given in function of different parameters.

关键词： Mixed convection heat transfer Bingham fluid lid-driven cavity

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