Early transmission electron micrograph of a thin section of a secretory cell from guinea pig pancreas illustrating vesicle trafficking between the rough endoplasmic reticulum and Golgi apparatus (uppe...

Upper panel shows a transmission electron micrograph featuring the nuclear envelope with the nuclear lamina seen here as a uniform layer between the inner nuclear membrane and more darkly staining blo...

Figure 241 from Chapter 7 (Mitochondria) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. The cristae of these mitochondria from Singh amoeba have a tubular appearance. Image by Tom Pollard. A PDF copy...

Steriod-secreting cells exhibit unusual diversity in the cristae of their mitochrondria, like these examples from testicular Leydig cells of the ground squirrel Citellus lateralis. Small alveolar cri...

Figure 218 from Chapter 7 (Mitochondria) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. The typical structural organization of mitochondria is revealed in this longitudinal section of a mitochondrion ...

Lipid droplet contacts with nucleus and kinetoplast in a Leishmania amastigote inside golden hamster spleen cell. The image shows a transversal section of the cell. Below plasma membrane is possible t...

The Golgi Apparatus. In mammalian cells, the very complex architecture of the membrane system makes understanding the interrelationship of the different organelles within the cell difficult. Their dyn...

Single tilt image of a 250 um thick section of a Drosophila S2 cell infected with flock house virus (FHV-1) imaged with intermediate voltage electron microscopy, taken at zero degree tilt. The dark sp...

Transmission electron micrograph of ventricle tissue of a mouse cardiac muscle. This image shows the various areas of a muscle fiber. The Z lines are the very dark borders that link sarcomeres. Th...

Transmission electron micrograph of mitochondria from guinea pig pancreas. The use of osmium tetroxide as a fixative for electron microscopy was first described by Dr. Palade at the Rockefeller. Anot...