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Histology, or microscopic anatomy, is a branch of biology focused on the composition and structure of plant and animal tissues in relation to their functions. It examines how tissues are organized from cells and intercellular substances up to organs. Histologists prepare thin tissue slices, often stained, for examination under optical or electron microscopes to reveal detailed structures. This field is crucial for understanding the building blocks of life at a level invisible to the naked eye.1

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