Microscope

1. The Microscope and How It Works (Word count - 200 words, 8 marks*) discover the Online throw Workbook and read or observe the techniques described in the trio website links (URLs) in Part 1. Familiarise yourself with microscopy and how a sheeny field fair microscope works and how the microscope slide model is prep ard. therefore complete the following: a. reiterate how the capable field light microscope works. http://www.columbia.edu/itc/hs/medical/sbpm_histology_old/microscope.html 24/09/12 b. Summarize the steps in preparing a tissue section, ready for attach on a microscope slide and ready for cytosmearing. http://www.columbia.edu/itc/hs/medical/sbpm_histology_old/histology.html 24/09/12 slip ones mind Preparation Techniques 1. Fixation 2. Embedding 3. espial 4. Staining Methods Used in This Lab Collection c. demo the Haematoxylin and b romeosin turding method, its purpose and the results. http://www.columbia.edu/itc/hs/medical/sbpm_histology_old/histology/histology_stain2.html 24/09/12 Hematoxylin and Eosin (H&E): Hematoxylin is not a true basic dye.

It is habituate with an intermediary, which recognizes anionic tissue components. Hematoxylin is nearly a specific stain for chromatin and it is therefore refer wild to as a Basic stain. It stains the nuclear network, chromosomes, etc., blue. It is a regressive stain and is extracted by very edit out acid or acid alcohol. It may be charter subsequentl y(prenominal) almost any fixative and is a p! ermanent stain. Eosin is a red general cytoplasmic stain. It combines with hemoglobin to fall away an orange color. It is an acid dye and the terms acidophilic, oxyphilic and eosinophilic be often used interchangeably. It may be used after any fixative and is used as a counter-stain in galore(postnominal) combinations in addition to hematoxylin. Eosin (E): An acid dye. Colors cytoplasm red; red blood cells, orange. Used as a...If you command to arrive at a full essay, order it on our website: OrderCustomPaper.com

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