A standard atlas is typically organized around the four fundamental tissue types that constitute every organ in the body:
The vivid colors seen in these atlases aren't natural; they are the result of ingenious staining techniques. The most common is . Hematoxylin stains cell nuclei a deep purple, while Eosin colors proteins and cytoplasm various shades of pink. Other methods, like the Periodic Acid-Schiff (PAS) stain, are used to highlight specific components like carbohydrates. Why These Atlases Matter
The supportive "glue" of the body, including bone, cartilage, and blood.