The nature of some annular inclusions seen under the electron microscope.
D000818:Animals; D003594:Cytoplasmic Granules; D005354:Fibrosarcoma / Q000473:pathology*; D008055:Lipids; D008099:Liver / Q000473:pathology*; D008854:Microscopy, Electron; D051381:Rats; D012513:Sarcoma, Experimental / Q000473:pathology*
D008055:Lipids