The origin of fibrillar particles sometimes seen in plant nucleoli.
D000447:Aldehydes; D002466:Cell Nucleolus; D005557:Formaldehyde; D006652:Histological Techniques; D008854:Microscopy, Electron; D009992:Osmium; D059828:Plant Cells; D012639:Seeds / Q000166:cytology
D000447:Aldehydes; D005557:Formaldehyde; D009992:Osmium