1. Objectives:

(1)     Understand the epidemic trend of Echinococcus granulosus.

(2)     Master the life cycle of  Echinococcus granulosus, the morphology features of  hydatid cyst, pathogenesis, the symptomatology and diagnostic methods of hydatidosis.

(3)     Master the life cycle and morphology fetures of Hymenolepis nana ,the infective ways, pathogenesis and diagnosis

(4)     Be familiar with the epidemiology and prevention of two cestodes

2 . Content:

（1）         Echinococcus granulosus : The epidemic trend, the morphology of adult and egg and hydatid cyst, the concept of hydatid sand, the life cycle, pathogenesis and  symptomatology . Diagnosis and prevention.

（2）         Hymenolepis nana: the morphology, life cycle, infective ways, pathogenesis and diagnostic methods.