Transmission electron micrograph of segment of kidney cortex from a Rhesus monkey infused with 20% perfluorodecalin, 10% F68, 8 - 10 days after infusion at 50 cc/kg. Emulsion # 750519 <au 21 1975 - Ju...

Transmission electron micrograph of segment of kidney cortex from a Rhesus monkey infused with 20% perfluorodecalin, 10% F68, 8 - 10 days after infusion at 50 cc/kg. Emulsion # 750519 <au 21 1975 - Ju...

Mammary epithelial MCF10A cells (immortalized normal mammary epithelial cells) transitioning from 2D to 3D collagen by grabbing and crawling on collagen-I fibers. scale bar = 50 microns. Time stamp Hr...

Organization of Golgi and endoplasmic reticulum (ER) in a Human HeLa cell expressing Sialyl Transferase-EGFP (green) and Invariant Chain33-mRFP (red). The Sialyl Transferase-EGFP is a Golgi marker an...

Figure 270 from Chapter 8 (Lysosomes) of 'The Cell, 2nd Ed.' by Don W. Fawcett M.D. Cytoplasm from a cell from a ductus efferens of the ground squirrel Citellus lateralis with spherical membrane-encl...

In the basal region of polarized epithelium engaged in ion transport, mitochondria are lodged between the interdigitating membranes of neighboring cells. This example is of a transverse section throu...

Phase contrast image of a PTK-1 cell expressing constitutively active Rac1(Q61L). Live cells were visualized using X-rhodamine tubulin (injected at 1 mg/mL)and eGFP-Rac1(Q61L) (injected into the nucl...

Phase contrast image of control PtK1 cell whose microtubules were visualized by microinjected X-rhodamine tubulin and fluorescence microscopy. This cell corresponds to Figure 1 and Video 1 of J Cel...

Scanning electron micrograph showing tentacles on the head of a Hydra viridis. Epithelial cells located at the base of the tentacle are in a flat, contracted state. Cell distal to the head of the H. v...

Gallbladder wall of a human patient with gallstones. The duct (clear zone at center) is lined by highly polarized epithelial cells with dark nuclei at the base. At the top of the picture, below the...