Nucleolar Chromatin
Not sure, but I`d guess it`s the nucleolus.
The nucleolus.
Nucleolus
The dark spot in the nucleus is called the nucleolus
The dark spot in the nucleus is called the nucleolus
The large solid spot on the Nucleus is the Nucleolus
This is probably a nucleolus, one or more of which are in every nucleus.
The nucleolus
The nucleolus is visible as a dark spot during the interphase stage of the cell cycle. It is particularly prominent during the phase known as G1 (gap 1) in interphase.
Nucleolus
nucleolus
nucleolus.