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What is Histology?

Histology is the study of the structures of cells and tissues of both plants and animals through the examination of a thin slice (or "section") of tissue under a light microscope or an electron microscope. To distinguish the different structures of cells and tissues, scientists use "histological stains" to add colors or to enhance the colors of biological structures. Histology is an essential tool to the understanding of biology, medicine and veterinary medicine.

Histology - from the Greek word histos "tissue" and logia "science"