Maleand FemaleSchistosomes
一.形态特征1.多数虫体外形舌状或叶状，背腹扁平（血吸虫除外）。2.有口、腹吸盘3.缺体腔。4.消化系统不完整：口--咽--食道--肠支。（无肛门)5.多数虫体为雌雄同体（血吸虫除外），生殖系统发达6.排泄系统：焰细胞-毛细管-集合管-排泄囊-排泄孔
一 . 形态特征 1.多数虫体外形舌状或叶状，背腹扁平 （血吸虫除外）。 2.有口、腹吸盘。 3.缺体腔。 4.消化系统不完整： 口-咽-食道-肠支。（无肛门） 5.多数虫体为雌雄同体（血吸虫除外）， 生殖系统发达。 6.排泄系统： 焰细胞-毛细管-集合管-排泄囊-排泄孔
Morphology1.Adult ofTrematodes2.Egg of Trematodes
Morphology 1. Adult of Trematodes 2. Egg of Trematodes
Morphology1.Adult of Trematodes.flattened,leaf-like,unsegemented,·length rangefromseveralmm to several cm..2 suckers,oral and ventral sucker(acetabulum)·Blind Gl tract, with one opening only.Mostarehermaphroditic,feware dioecious
Morphology 1. Adult of Trematodes •flattened, leaf-like, unsegemented, •length range from several mm to several cm. •2 suckers,oral and ventral sucker(acetabulum). •Blind GI tract, with one opening only. •Most are hermaphroditic, few are dioecious