简介：超声成像检查是利用超声波的反射和透射,对人体组织器官的物理特性、形态结构与功能状态作出诊断的非创伤性检查方法。超声检查是目前医学影像的一项重要诊断技术,与传统X射线及CT、MRI、DSA以及核素成像等共同组成现代医学影像检查（[1-2]）。彩色多普勒超声诊断仪（彩超）是目前最普遍、使用最广泛的检查设备,已成为现代医院不可或缺的辅助检查设备,能有效提高疾病的诊断率。

简介：为了让宝宝爱上吃饭,妈妈可没少在做菜上花心思。那么,油、盐、酱、醋……这些日常生活离不开的调味料,宝宝能不能吃?怎么吃才能健康与美味兼得?这里的秘密可真不少。NO1食盐1岁以内的宝宝饮食无须加盐,1岁以后可少量添加,但也不宜多。吃盐过多会影响宝宝心脏和肾脏健康,

简介：Theuterinetetaniccontractionanduterinearterybloodflowreductionarepossiblereasonsforprimarydysmenorrhea（PD）.Inthepresentstudy,weaimedtoevaluatetheuterinerelaxanteffectandtheinfluenceonuterinearterybloodvelocityofGe-GenDecoction（GGD）,awell-knownChineseherbalformula.InfemaleICRmice,uterinecontractionwasinducedbyoxytocinexposurefollowingestradiolbenzoatepretreatment,andtheuterinearterybloodvelocitywasdetectedbyDopplerultrasound.HistopathologicalexaminationoftheuterinetissuesampleswereperformedbyH&Estaining.Exvivostudiesdemonstratedthatoxytocin,posteriorpituitary,oracetylcholineinducedcontractionsinisolatedmouseuterus.GGDinhibitedbothspontaneousandstimulatedcontractions.InvivostudydemonstratedthatGGDsignificantlyreducedoxytocin-inducedwrithingresponseswithamaximalinhibitionof87%.FurtherstudydemonstratedthatGGDnormalizedoxytocin-inducedabnormalitiesofprostaglandinsF2alpha(PGF2α)andCa2+inmice.Inaddition,injectionofoxytocininducedadecreaseinuterinearterybloodflowvelocity.PretreatmentwithGGDreversedtheoxytocinresponseonbloodflowvelocity.HistopathologicalexaminationshowedpretreatmentwithGGDalleviatedinflammationandedemaintheuteruswhencomparedwiththemodelgroup.BothexvivoandinvivoresultsindicatedthatGGDpossessedasignificantspasmolyticeffectonuterinetetaniccontractionaswellasimprovementonuterinearterybloodvelocitywhichmayinvolvePGF2αandCa2+signaling,suggestingthatGGDmayhaveaclinicpotentialinPDtherapy.