Diagnosis of Diseases: By examining tissue samples, pathologists can identify abnormalities that indicate diseases such as cancer, infections, and autoimmune disorders. Understanding Normal Physiology: Histology helps in understanding how tissues and organs function normally, which is essential for identifying when something is wrong. Guiding Treatment Plans: Accurate histological analysis can guide doctors in choosing the most effective treatments for their patients. Research and Development: Histology is fundamental in research, helping scientists develop new treatments and understand the underlying mechanisms of diseases.