Transmission electron micrograph of a thin section of the liver of a 1-day old rat showing a grazing view of rough endoplasmic reticulum (RER, sometimes termed granular endoplasmic reticulum. The 'rou...

Transmission electron micrograph of rat intestinal colon showing apical microvilli. Image made available by James D. Jamieson and the Department of Cell Biology, Yale University School of Medicine.

Gallery of transmission electron micrographs of ribosomes purified from a rat liver homogenate by sucrose gradient centrifugation, and negatively stained with uranyl acetate. The gallery illustrates t...

Overexpression of and arp3-GFP fusion protein in MTLn3 cells, a metastatic rat breast carcinoma line. This Z series sequence of cells in culture shows the protein throughout the cytoplasm and exclude...

Transmission electron micrograph of a thin section of plastic-embedded material from the 'rough microsome' fraction of a preparation of rat liver. Subsequent to this early image, 'microsomes' became ...

Transmission electron micrograph of a polysome (polyribosome) purified from a rat liver homogenate by sucrose gradient centrifugation, and negatively stained with uranyl acetate. The linear arrangemen...

Gallery of transmission electron micrographs of polysomes (polyribosomes) purified from a rat liver homogenate by sucrose gradient centrifugation, and negatively stained with uranyl acetate. The linea...

Constitutive expression of GFP (Green Fluorescent protein) in MTLn3 cells, a metastatic rat breast carcinoma line. This time lapse sequence of a single optical section near the substrate shows the ce...

Gallery of transmission electron micrographs of ribosomes purified from a rat liver homogenate by sucrose gradient centrifugation, and negatively stained with uranyl acetate. The 3 columns at right in...

Transmission electron micrograph of a thin section of rat pancreas showing a high magnification view of rough (granular) endoplasmic reticulum. Membrane-bounded cisternae are studded with ribsomes whi...