Introduction
Zhong jie Li(李仲杰)
School of Medicine,Zhejiang University
Email:******@zju.
Final score of Histology & Embryology
1) Attendance and Picture drawing : 5% 2) Quiz: 10% (each quiz 5%) 3) Lab test: 25% 4) Final written exam: 60%
Preparation of laboratory work
Have the tools ready:
Paper
Pencils (red-blue pencil)
rubber, ruler and so on
Contents
Requirements
A. Be familiar with the structure of the light microscope
B. Master the use of the light microscope.
C. Understand the procedures of paraffin sectioning and H & E staining.
The structure of the microscope
Mechanical part
ponents
Total magnification
Normal ocular lenes: 10×
Normal Objective lenes: 4× ,10× ,40×
oil immersion objective: 100×
Total magnification is obtained by multiplying the
magnifying power of the objective and ocular lenes.
Interpret your sample
Must think in 3 dimensions
Structure and function
part and whole.
Horizontal section
longitudinal section
oblique section
Simple columnar epithelium different azimuth slice map
Preparing a Biological Specimen for Light Microscopy
Stretched
Ground section
Smear
The procedures of paraffin sectioning and H & E staining.
1. Obtaining
2. Fixation
4. Clearing
5. Embedding
6. Sectioning
7. Staining
8. Mounting
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