Video showing Vorticella (bell-shaped protozoans), ciliates attached to filamentous alga. The myoneme within the stalks contract with one of the fastest known movements in nature. Images were collecte...

Paramecium multimicronucleatum - Video of the Contractile Vacuole Complex. In vitro CVC rounding/relaxing cycles. An in vitro CV in a ruptured Paramecium cell is surrounded by cytoplasmic vesicles and...

Paramecium multimicronucleatum - Video of the Contractile Vacuole Complex. Effects of applying suction to an in vitro CV. Effect of suction on the rounding/relaxing cycle of an in vitro CV of Parameci...

Time-lapse movie of a human tumor fragment grown in Matrigel that was freed and reembedded in Matrigel. Images collected every 15 minutes and bar is 50 microns. CIL 42162 (this movie) - CIL 42165 a...

DIC z-series of extracellular Toxoplasma gondii. T. gondii tachyzoites (strain RH) were cultivated in human foreskin fibroblast cells and parasites were harvested soon after emerging from host cells. ...

Visualization of yolk syncytial layer (YSL) nuclei in living zebrafish embryos. Sytox Green, a membrane-impermiant vital nuclear stain, was injected into the yold cell of late blastula (sphere stage)...

Differential response of lamellipodial actin network to latrunculin a (LA), a binder of monomeric actin. This electron micrograph of a Xenopus keratocyte)lamellipodium treated with LA (0.1 μM for 30...

Differential response of lamellipodial actin network to latrunculin a (LA). Electron micrograph of a Xenopus fibroblast lamellipodium treated with LA (0.25 μM for 10 min) reveals actin depletion fro...

Time lapse series of cell growth and division in cultured hTERT-RPE1 cells (telomerase immortalized human retinal pigment epithelium) using differential interference contrast optics. This time series ...

Electron micrograph of keratocyte or fibroblast lamellipodial actin network after unprotected extraction. All examples demonstrate frequent branching of actin filaments. Image corresponds to a singl...