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Diagrams of the nucleus showing the arrangement of chief chromatic filaments. A, Viewed from the side, the polar end being uppermost. Labels: p.c.f., primary chromatic filaments; n, nucleolus; n.o.m., node of meshwork. B, Viewed at the polar end. Labels: l.c.f., lopped chromatic filament; i.f., irregular filament.

Nucleus Showing Chromatic Filaments

Diagrams of the nucleus showing the arrangement of chief chromatic filaments. A, Viewed from the side,…