近年来,组织学技术发展很快。除石腊切片外,电子显微镜技术也进入了组织胚胎学的教学领域。但使人感到不足的是两者间尚缺少技术上的衔接。国内外虽已有学者介绍了半薄切片等方面的技术,但都没有用于教学。我们为了教学改革,将保音氏液、甲醛液或戊二醛 In recent years, histology has developed rapidly. In addition to paraffin sections, electron microscopy has also entered the field of tissue embryology teaching. But people feel inadequate is the lack of technical convergence between the two. Although some scholars at home and abroad have introduced the technology of semi-thin slices, they are not used for teaching. In order to teach the reform, we will Paul’s solution, formaldehyde solution or glutaraldehyde