Staining is the artificial colouration of the substance to facilitate it's examination by the use of a coloured organic molecule called dye.Histological staining is a series of technique processes undertaken in the preparation of sample tissues by staining using histological stains to aid in the microscope study. The process of histological staining takes five key stages which involve; fixation, processing, embedding, sectioning and staining .Staining is used to highlight important features of the tissue as well as to enhance the tissue contrast. Histological staining is commonly used for...