射幹的根有什麼特點
？

射幹的根莖不規則結節狀
，有短分枝，長4-8cm,直徑l-1.5cm。biaomianhuangzongsehuohuizongse，zhousuo，youmijidehenghuanwen
，shangmianyoushugedaxingpanzhuangjinghen，xiamianjiliangceyouxugenhuogenhen。zhijianying，duanmianhuangse，hengqiemiankejianneipicenghuan
，bingduoshuweiguanshuxiaodian。weiweiku
、辛。

 

射幹的作用可用於感受風熱，或痰熱壅盛所致的咽喉腫痛等症。射幹為治咽喉腫痛常用的藥品，能清熱毒、消腫痛，常和牛蒡子、桔梗、甘(gan)草(cao)等(deng)配(pei)合(he)應(ying)用(yong)。但(dan)用(yong)藥(yao)也(ye)有(you)一(yi)定(ding)的(de)注(zhu)意(yi)事(shi)項(xiang)與(yu)用(yong)藥(yao)禁(jin)忌(ji)，無(wu)實(shi)火(huo)及(ji)脾(pi)虛(xu)便(bian)溏(tang)者(zhe)不(bu)宜(yi)使(shi)用(yong)射(she)幹(gan)，而(er)孕(yun)婦(fu)則(ze)忌(ji)服(fu)射(she)幹(gan)。在(zai)用(yong)藥(yao)之(zhi)前(qian)要(yao)遵(zun)醫(yi)囑(zhu)哦(o)，注(zhu)意(yi)射(she)幹(gan)的(de)注(zhu)意(yi)事(shi)項(xiang)，以(yi)防(fang)服(fu)用(yong)過(guo)後(hou)發(fa)生(sheng)不(bu)適(shi)。

 

jiangsuchangzhihongyuanlinshizhuanyedelvhuamiaomuzhongzhijidi
，changnianchushoushegan，haiyoudibeicaohua，lvhuaqiulei，libamiao，huaguanmu，qiaomudenggeleilvhuapinzhong，guigeqiquan，shuliangchongzu
，shuxingyoumei，cunhuolvgao

，zhiliangyou。benmiaomuhuahuichanpinshiyingxingqiang
，yichenghuo，chenghuolvjigao，erqie
，benpumiaomuyuanxiaoquanguogeshengshidiqu。zaichangzhihongyuanlinyoudaliangdesheganxianhuo，youxuyaogoumaisheganheqitalvhuamiaomudepengyoukeyilianxibenjidi：--