Electron microscopy:  cytology of cell fractions.
D000818:Animals; D002454:Cell Differentiation; D002477:Cells; D003593:Cytoplasm; D004583:Electrons; D004721:Endoplasmic Reticulum; D006056:Golgi Apparatus; D008853:Microscopy; D008854:Microscopy, Electron
CELLS; MICROSCOPY, ELECTRON