组胚INTRODUCTION.ppt

Introduction Cell Introduction of Histology I. What is Histology ? A. Definition histo------tissue 组织 logia-----science or knowledge tissue the science of microstructure 细微 结构 C. Position in Medical Sciences the relationship between Histology other Medical Sciences Histology other courses *microstructure mrophology Gross anatomy 大体解剖 (complement the knowledge to gross anatomy) *structural science functional sciences Physiology 生理学 (provides morphologic basis for …) Biochemistry 生物化学 *normal morphology abnormal morphology Pathology 病理学 （gives normal morphologic basis for…） *theoretical basis clinical applied Surgery 外科学 Medicine 内科学 Obstetrics 妇产科学 … II. How to study Histology ? A. The instrument for observation: Light microscope (LM) 光镜 Electron microscope (EM) 电镜 Transmissional EM (TEM) 透射电镜 the image consists of electron dense lucent area Scanning EM (SEM) 扫描电镜 three dimensional image (stereo-image) B. Techniques of tissue preparation Main procedures for making thin slices *fixation 固定 *embedding 包埋 *sectioning 切片 *staining 染色 General staining technique in LM Hematoxylin and Eosin staining-