In these methods, histological techniques are employed to prepare and analyze tissue samples. For example: - Tissue Fixation: Samples are preserved using chemical fixatives to maintain cellular structure. - Tissue Embedding: Samples are embedded in a medium like paraffin to create thin sections suitable for microscopic examination. - Staining Techniques: Various histological stains such as Hematoxylin and Eosin (H&E) are used to differentiate cellular components.