Description:

Morphologically recognizable as definitely belonging to the erythroid series. It is oval or round.

Size:

8-16 µm.

Cytoplasm:

Gray-blue without red constituent. The hemoglobin synthesis continues, so the color of the cytoplasm turns pink-blue.

Nucleus:

Round with thicker chromatin strands. The nucleocytoplasmatic ratio is significantly in favor of the cytoplasm.

Nucleoli

Most often not visible.