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.

取小制作切片光镜观察小形态学变化及绒毛高度、度和隐窝深浅等。

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

摘 要： 本2040型多用切片机刀架槽体的改造与加工。