1.Abstract： This paper describes the designing and manufacturing of the knife holder of model 2040 multi-purpose microtome.

1.摘 要： 本文介绍2040型多用切片机刀架改造与加工。

2.The small intestine was gained to make microtome section and mucous membrane of small intestine morphology, trophonema altitude, thickness and crypt shade were observed under light microscope.

2.取小作切片光镜观察小形态学变化及绒毛高度、厚度和隐窝深浅等。