Objective To observe the effect of praziquantel on the serum gut-associated cathodic antigen (GACA ) levels in the patients with chronic schistosomiasis before and after treatment.
目的观察慢性血吸虫病患者吡喹酮治疗前、后血清血吸虫肠相关趋阴极抗原（GACA）水平的变化。
2
In this experiment, The structure of gut-associated lymphoid tissue(GALT) of semi-muscovy ducks were studied by light, scanning electron microscope and transmission electron microscope.
本试验通过光镜、扫描电镜及透射电镜，对半番鸭小肠的肠相关淋巴组织（GALT）的结构进行了研究；
3
In recent years, we have begun to obtain a comprehensive picture of the composition of the human-associated microbiota in various niches, including the gut, skin and oral cavity.