(4) specification drawn parts: To accurately drawn by anatomical tissue biopsy, pathological specimens drawn in accordance with each lesion, the different nature, drawn in accordance with the requirements of standardization. (5) selected tissue section block: According to the organizational structure of the organs of Henan cases sliced, to determine its facets. Longitudinal or transverse tissue morphology is often the key display, such as a long tubular organ to cross as well. (6) to keep the material clean: if blood, dirt, mucus, food, feces, etc., can be rinsed with water and then placed on the tissue block clean fixative. (7) maintain the original form of organization: the fresh tissue biopsy after a fixed opening, more or less shrinkage phenomenon, sometimes even completely deformed. To do this you can flatten the organization to maintain the original shape as possible. Pathology, namely disease process and the principle of development. That is, the causes of disease, the pathogenesis of the disease process and the cell structure of tissues and organs, functions and metabolic changes in its laws. Biopsy, a pathological specimens, part of diseased tissue or organs through the production of various chemicals and processed biopsy burial method, making it fixed sclerosis, sliced ??on the slicer, adhered to the slide , dyed in various colors, for examination under a microscope to observe pathological changes, make the pathological diagnosis, provide help for clinical diagnosis and treatment. For more information, please sustained attention. Henan cases sliced ??voyage teaching (certified), biopsy provided by Xinxiang City Teaching Equipment Co. voyage. Xinxiang City voyage Teaching Equipment Co. (www.xxyuanhang.cn) is an industry leader in Henan Xinxiang, specimen model years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. On the voyage instructional leadership with the staff warmly welcome all inquiries negotiations to create a better future teaching voyage.