肝片形吸虫是一种寄生在牛、羊和其它哺乳动物胆管内的常见寄生虫。人亦可感染。肝片形吸虫与姜片虫的成虫和虫卵在形状、颜色和大小方面都十分相似。肝片形吸虫主要形态特征为虫体前端有明显突出的头锥;体表密布细小棘刺;腹吸盘不及姜片虫的发达;肠支有很多分支,呈树枝状;睾丸高度分支,前后排列在虫体中部。虫卵的形态特征:纵径比姜片虫略长(130-150mm);卵盖略大;卵壳周围可见胆汁染色颗粒附着;胚细胞较易见到。
肝片形吸虫和鸡蛔虫对神经递质和药物的反应基本上是不同的。
It was found that the responses of liver fluke to drugs were quite different from those of chicken roundworm to the same drugs.
通过寄生虫区系调查和临床检验,发现肝片形吸虫及消化道圆形线虫感染普遍。
Through parasite fauna investigation and clinical detection, the popularity of Fasciola hepatica and Strongylus vulgaris in digestive channel of tovine was discovered.
所谓抑制性递质的GABA对肝片形吸虫呈现兴奋作用,而对鸡蛔虫则呈现抑制作用。
GABA is known as an inhibitory transmitter of mammalian CNS, and produced excitation on liver flukes but, on the contrary, produced inhibition on chicken round-worms.
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