RESUMO
Objective To observe the effect of Natural mountain spring on oxidative damage of aging mice . Methods Thirty male aging mice were randomly divided into experimental group ( drink Natural mountain spring ) and control group ( drink tap water ) according to the level of MDA .The serum in the two groups was taken for T-SOD activity and MDA content analysis after two months .Results The MDA content in experimental group decreased markedly than that in control group .Conclusion Natural mountain spring could alleviate oxidative damage by free radicals to extent .
RESUMO
Laboratory animal science teaching has become an indispensable part of medical education.This paper summarized teaching characteristics of laboratory animal science at different levels, including the curriculum setting background, curriculum arrangement as well as assessment methods, in order to provide some references for the teaching staff of laboratory animal science.