A.在血液中形成錐鞭毛體B.在血液中形成無(wú)鞭毛體C.在組織細(xì)胞中形成錐鞭毛體D.在組織細(xì)胞中形成無(wú)鞭毛體E.在組織細(xì)胞中兩種形態(tài)均可見(jiàn)
A.amastigoteB.epimastigoteC.promastigoteD.trypomastigoteE.trophozoite
A.經(jīng)tsetse fly 叮咬B.經(jīng)錐蝽糞便污染傷口C.經(jīng)胎盤(pán)血液循環(huán)D.經(jīng)錐蝽糞便污染食物而經(jīng)口E.經(jīng)空氣傳播