Image and Video Gallery
This is a searchable collection of scientific photos, illustrations, and videos. The images and videos in this gallery are licensed under Creative Commons Attribution Non-Commercial ShareAlike 3.0. This license lets you remix, tweak, and build upon this work non-commercially, as long as you credit and license your new creations under identical terms.
Anglerfish ovary cross-section
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This image captures the spiral-shaped ovary of an anglerfish in cross-section. Once matured, these eggs will be released in a gelatinous, floating mass. James E. Hayden, The Wistar Institute, Philadelphia, Pa. View MediaHydra 04
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Hydra magnipapillata is an invertebrate animal used as a model organism to study developmental questions, for example the formation of the body axis. Hiroshi Shimizu, National Institute of Genetics in Mishima, Japan View MediaCytoskeleton
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The three fibers of the cytoskeleton--microtubules in blue, intermediate filaments in red, and actin in green--play countless roles in the cell. Judith Stoffer View MediaDynein moving along microtubules
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Dynein (green) is a motor protein that “walks” along microtubules (red, part of the cytoskeleton) and carries its cargo along with it. This video was captured through fluorescence microscopy. Morgan DeSantis, University of Michigan. View MediaGlowing bacteria make a pretty postcard
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This tropical scene, reminiscent of a postcard from Key West, is actually a petri dish containing an artistic arrangement of genetically engineered bacteria. Nathan C. Shaner, The Scintillon Institute View MediaHeLa cell undergoing division into two daughter cells
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Here, a human HeLa cell (a type of immortal cell line used in laboratory experiments) is undergoing cell division. Dylan T. Burnette, Ph.D., Vanderbilt University School of Medicine. View MediaSeeing signaling protein activation in cells 02
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Cdc42, a member of the Rho family of small guanosine triphosphatase (GTPase) proteins, regulates multiple cell functions, including motility, proliferation, apoptosis, and cell morphology. Klaus Hahn, University of North Carolina, Chapel Hill Medical School View MediaFruit fly embryo
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Cells in an early-stage fruit fly embryo, showing the DIAP1 protein (pink), an inhibitor of apoptosis. Hermann Steller, Rockefeller University View MediaGFP sperm
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Fruit fly sperm cells glow bright green when they express the gene for green fluorescent protein (GFP). View MediaNCMIR mouse tail
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Stained cross section of a mouse tail. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaLysosomes and microtubules
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Lysosomes (yellow) and detyrosinated microtubules (light blue). Lysosomes are bubblelike organelles that take in molecules and use enzymes to break them down. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View MediaFruit fly nurse cells during egg development
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In many animals, the egg cell develops alongside sister cells. Adam C. Martin, Massachusetts Institute of Technology. View MediaHuman retinal organoid
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A replica of a human retina grown from stem cells. Kevin Eliceiri, University of Wisconsin-Madison. View MediaDrosophila
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Two adult fruit flies (Drosophila) Dr. Vicki Losick, MDI Biological Laboratory, www.mdibl.org View MediaFruit fly spermatids
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Developing spermatids (precursors of mature sperm cells) begin as small, round cells and mature into long-tailed, tadpole-shaped ones. Lacramioara Fabian, The Hospital for Sick Children, Toronto, Canada View MediaHuman ES cells turn into insulin-producing cells
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Human embryonic stem cells were differentiated into cells like those found in the pancreas (blue), which give rise to insulin-producing cells (red). Eugene Brandon, ViaCyte, via CIRM View MediaLily mitosis 12
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A light microscope image of a cell from the endosperm of an African globe lily (Scadoxus katherinae). This is one frame of a time-lapse sequence that shows cell division in action. Andrew S. Bajer, University of Oregon, Eugene View MediaDNA and actin in cultured fibroblast cells
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DNA (blue) and actin (red) in cultured fibroblast cells. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaCrane fly spermatocyte undergoing meiosis
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A crane fly spermatocyte during metaphase of meiosis-I, a step in the production of sperm. Michael Shribak, Marine Biological Laboratory/University of Chicago. View MediaFly cells live
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If a picture is worth a thousand words, what's a movie worth? Denise Montell, Johns Hopkins University School of Medicine View MediaBody toxins (with labels)
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Body organs such as the liver and kidneys process chemicals and toxins. These "target" organs are susceptible to damage caused by these substances. Crabtree + Company View MediaZebrafish embryo showing vasculature
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A zebrafish embryo. The blue areas are cell bodies, the green lines are blood vessels, and the red glow is blood. Kevin Eliceiri, University of Wisconsin-Madison. View MediaNCMIR Tongue 2
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Microscopy image of a tongue. One in a series of two, see image 5810 National Center for Microscopy and Imaging Research (NCMIR) View MediaAnchor cell in basement membrane
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An anchor cell (red) pushes through the basement membrane (green) that surrounds it. Elliott Hagedorn, Duke University. View MediaSea urchin embryo 03
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Stereo triplet of a sea urchin embryo stained to reveal actin filaments (orange) and microtubules (blue). George von Dassow, University of Washington View MediaMyelinated axons 1
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Myelinated axons in a rat spinal root. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaBirth of a yeast cell
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Yeast make bread, beer, and wine. And like us, yeast can reproduce sexually. A mother and father cell fuse and create one large cell that contains four offspring. Juergen Berger, Max Planck Institute for Developmental Biology, and Maria Langegger, Friedrich Miescher Laboratory of the Max Planck Society, Germany View MediaNucleolinus
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The nucleolinus is a cellular compartment that has been a lonely bystander in scientific endeavors. Mary Anne Alliegro, Marine Biological Laboratory View MediaHydra 06
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Hydra magnipapillata is an invertebrate animal used as a model organism to study developmental questions, for example the formation of the body axis. Hiroshi Shimizu, National Institute of Genetics in Mishima, Japan View MediaProtein map
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Network diagram showing a map of protein-protein interactions in a yeast (Saccharomyces cerevisiae) cell. This cluster includes 78 percent of the proteins in the yeast proteome. Hawoong Jeong, KAIST, Korea View MediaCellular traffic
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Like tractor-trailers on a highway, small sacs called vesicles transport substances within cells. This image tracks the motion of vesicles in a living cell. Alexey Sharonov and Robin Hochstrasser, University of Pennsylvania View MediaH1N1 Influenza Virus
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Related to image 6355. Dr. Rommie Amaro, University of California, San Diego View MediaMitosis and meiosis compared-labeled
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Meiosis is used to make sperm and egg cells. During meiosis, a cell's chromosomes are copied once, but the cell divides twice. Judith Stoffer View MediaSea urchin embryo 04
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Stereo triplet of a sea urchin embryo stained to reveal actin filaments (orange) and microtubules (blue). George von Dassow, University of Washington View MediaFluorescent E. coli bacteria
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Bioengineers were able to coax bacteria to blink in unison on microfluidic chips. They called each blinking bacterial colony a biopixel. Thousands of fluorescent E. Jeff Hasty Lab, UC San Diego View MediaLarvae from the parasitic worm that causes schistosomiasis
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The parasitic worm that causes schistosomiasis hatches in water and grows up in a freshwater snail, as shown here. Bo Wang and Phillip A. Newmark, University of Illinois at Urbana-Champaign, 2013 FASEB BioArt winner View MediaYeast cells with accumulated cell wall material
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Yeast cells that abnormally accumulate cell wall material (blue) at their ends and, when preparing to divide, in their middles. This image was captured using wide-field microscopy with deconvolution. Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View MediaTonB protein in gram-negative bacteria
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The green in this image highlights a protein called TonB, which is produced by many gram-negative bacteria, including those that cause typhoid fever, meningitis and dysentery. Phillip Klebba, Kansas State University View MediaEpithelial cells
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This image mostly shows normal cultured epithelial cells expressing green fluorescent protein targeted to the Golgi apparatus (yellow-green) and stained for actin (magenta) and DNA (cyan). Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaGenetically identical mycobacteria respond differently to antibiotic 1
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Antibiotic resistance in microbes is a serious health concern. So researchers have turned their attention to how bacteria undo the action of some antibiotics. Bree Aldridge, Tufts University View MediaIntracellular forces
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Force vectors computed from actin cytoskeleton flow. This is an example of NIH-supported research on single-cell analysis. Gaudenz Danuser, Harvard Medical School View MediaNucleolus subcompartments spontaneously self-assemble 4
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What looks a little like distant planets with some mysterious surface features are actually assemblies of proteins normally found in the cell's nucleolus, a small but very important protein complex lo Nilesh Vaidya, Princeton University View MediaLily mitosis 02
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A light microscope image of a cell from the endosperm of an African globe lily (Scadoxus katherinae). This is one frame of a time-lapse sequence that shows cell division in action. Andrew S. Bajer, University of Oregon, Eugene View MediaWound healing in process
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Wound healing requires the action of stem cells. Hermann Steller, Rockefeller University View MediaNerve cell
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Nerve cells have long, invisibly thin fibers that carry electrical impulses throughout the body. Some of these fibers extend about 3 feet from the spinal cord to the toes. Judith Stoffer View MediaCrawling cell
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A crawling cell with DNA shown in blue and actin filaments, which are a major component of the cytoskeleton, visible in pink. Actin filaments help enable cells to crawl. Dylan T. Burnette, Vanderbilt University School of Medicine. View MediaCalcium uptake during ATP production in mitochondria
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Living primary mouse embryonic fibroblasts. Mitochondria (green) stained with the mitochondrial membrane potential indicator, rhodamine 123. Nuclei (blue) are stained with DAPI. Lili Guo, Perelman School of Medicine, University of Pennsylvania View MediaBacillus anthracis being killed
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Bacillus anthracis (anthrax) cells being killed by a fluorescent trans-translation inhibitor, which disrupts bacterial protein synthesis. Kenneth Keiler, Penn State University View Media