1-6 Basic concepts

NUCLEOLI AND CHROMATIN
Inside the cell nuclei observe circular blue stained structures. They are nucleoli. Each nucleus may have one nucleolus or several nucleoli. However, not all of them are visible in the sections because some are present in the portions of the nuclei that are outside the sections.
The nucleoli are relatively large as compared to the smaller heterochromatin granules, which are components of the nuclear DNA.




Liver. Hematoxylin and eosin. Medium magnification.

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