Histological techniques are methods used to prepare and examine tissues under a microscope. These techniques involve fixing the tissue to preserve its structure, embedding it in a medium like paraffin, and slicing it into thin sections. The sections are then stained with specific dyes to highlight different cellular components, allowing for detailed observation of tissue architecture and cellular morphology. These techniques are essential in fields such as pathology, where they help diagnose diseases by examining tissue samples. Histological analysis can reveal abnormalities in cell structure, aiding in the identification of conditions like cancer or inflammation.