Somuchofwhatweknowaboutthepathogenesisofhumandiseasehascomefromthe systematic and careful study of histological material. Indeed, every internal medicine discipline has its landmark papers describing the clinico-pathological correlations. However, increas
                         
                        
                            Part I: Tissue Processing  1. Tissue Preparation for Histochemistry: Fixation, Embedding, and Antigen Retrieval for Light Microscopy Tim D. Hewitson, Belinda Wigg, and Gavin J. Becker  2. An Optimized RNA Extraction Method from Archival Formalin Fixed-Par