NUCLEOLI
Observe within the cell nuclei the round structures stained in blue by hematoxylin. They are nucleoli. Each nucleus may have one or more nucleoli. They are relatively large when compared to the smaller heterochromatin granules, that are components of the nuclear DNA. They become stained in light blue after placing the mouse over the image or clicking on the image.
Liver. Hematoxylin and eosin. Medium magnification.
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