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

摘 ： 介绍2040型多用切片机刀架槽体的改造与加工。

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.

取小肠作切片光镜观察小肠黏膜形态学变化及绒毛高、隐窝深浅等。