The development and distribution of trichina were monitored through microscopic examination of the tissues removed from the infected mice.

取不同部位肌肉毛虫在的发。

The coiled shapes of Trichinella isolated ML were observed under microscopes,then the lengths and widths of ML encystment(encysted index)were measured at random by micrometer.

镜下毛虫幼虫卷曲状态,用测微尺随机测量囊包长、宽。