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.
Hydra 05
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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 MediaTransmission electron microscopy of coronary artery wall with elastin-rich ECM pseudocolored in light brown
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Elastin is a fibrous protein in the extracellular matrix (ECM). It is abundant in artery walls like the one shown here. As its name indicates, elastin confers elasticity. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaFour timepoints in gastrulation
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It has been said that gastrulation is the most important event in a person's life. Bob Goldstein, University of North Carolina, Chapel Hill View MediaHuman embryonic stem cells on feeder cells
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The nuclei stained green highlight human embryonic stem cells grown under controlled conditions in a laboratory. Blue represents the DNA of surrounding, supportive feeder cells. Julie Baker lab, Stanford University School of Medicine, via CIRM View MediaPulsating response to stress in bacteria
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By attaching fluorescent proteins to the genetic circuit responsible for B. subtilis's stress response, researchers can observe the cells' pulses as green flashes. Michael Elowitz, Caltech University View MediaCryo-ET cross-section of the Golgi apparatus
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On the left, a cross-section slice of a rat pancreas cell captured using cryo-electron tomography (cryo-ET). On the right, a 3D, color-coded version of the image highlighting cell structures. Xianjun Zhang, University of Southern California. View MediaAnimal cell membrane
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The membrane that surrounds a cell is made up of proteins and lipids. Judith Stoffer View MediaMagnetic Janus particle activating a T cell
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A Janus particle being used to activate a T cell, a type of immune cell. Yan Yu, Indiana University, Bloomington. 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 MediaSmall blood vessels in a mouse retina
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Blood vessels at the back of the eye (retina) are used to diagnose glaucoma and diabetic eye disease. They also display characteristic changes in people with high blood pressure. National Center for Microscopy and Imaging Research View MediaSingle-cell “radios” video
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Individual cells are color-coded based on their identity and signaling activity using a protein circuit technology developed by the Coyle Lab. Scott Coyle, University of Wisconsin-Madison. View MediaBeta-galactosidase montage showing cryo-EM improvement--gradient background
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Composite image of beta-galactosidase showing how cryo-EM’s resolution has improved dramatically in recent years. Older images to the left, more recent to the right. Veronica Falconieri, Sriram Subramaniam Lab, National Cancer Institute View MediaChromatin in human fibroblast
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The nucleus of a human fibroblast cell with chromatin—a substance made up of DNA and proteins—shown in various colors. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View MediaYeast cells with nuclei and contractile rings
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Yeast cells with nuclei shown in green and contractile rings shown in magenta. Nuclei store DNA, and contractile rings help cells divide. Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View MediaHuman skeletal muscle
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Cross section of human skeletal muscle. Image taken with a confocal fluorescent light microscope. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaTongue 1
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Microscopy image of tongue. One in a series of two, see image 5811 National Center for Microscopy and Imaging Research (NCMIR) View MediaDDR2 Receptors Attach to Collagen in Breast Tumor
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On the left, the boundary of a breast tumor (yellow) attaches to collagen fibers that are closest to it (green) using DDR2. On the right, a tumor without DDR2 remains disconnected from the collagen. Callie Corsa and Suzanne Ponik, Washington University School of Medicine in St. Louis View MediaChromatin in human tenocyte
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The nucleus of a degenerating human tendon cell, also known as a tenocyte. It has been color-coded based on the density of chromatin—a substance made up of DNA and proteins. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View MediaPulsating response to stress in bacteria - video
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By attaching fluorescent proteins to the genetic circuit responsible for B. subtilis's stress response, researchers can observe the cells' pulses as green flashes. Michael Elowitz, Caltech University View MediaTracking cells in a gastrulating zebrafish embryo
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During development, a zebrafish embryo is transformed from a ball of cells into a recognizable body plan by sweeping convergence and extension cell movements. This process is called gastrulation. Liliana Solnica-Krezel, Washington University School of Medicine in St. Louis. View MediaMitosis - interphase
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A cell in interphase, at the start of mitosis: Chromosomes duplicate, and the copies remain attached to each other. Judith Stoffer 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 MediaHeLa cells
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Scanning electron micrograph of just-divided HeLa cells. Zeiss Merlin HR-SEM. National Center for Microscopy and Imaging Research View MediaHow a microtubule builds and deconstructs
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A microtubule, part of the cell's skeleton, builds and deconstructs. View MediaKupffer cell residing in the liver
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Kupffer cells appear in the liver during the early stages of mammalian development and stay put throughout life to protect liver cells, clean up old red blood cells, and regulate iron levels. Thomas Deerinck, National Center for Microscopy and Imaging Research, University of California, San Diego. View MediaThe Proteasome: The Cell's Trash Processor in Action
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Our cells are constantly removing and recycling molecular waste. This video shows one way cells process their trash. View MediaSnowflake yeast 1
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Multicellular yeast called snowflake yeast that researchers created through many generations of directed evolution from unicellular yeast. William Ratcliff, Georgia Institute of Technology. View MediaConfocal microscopy image of two Drosophila ovarioles
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Ovarioles in female insects are tubes in which egg cells (called oocytes) form at one end and complete their development as they reach the other end of the tube. 2004 Olympus BioScapes Competition View MediaPathways: What is It? | Why Scientists Study Cells
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Learn how curiosity about the world and our cells is key to scientific discoveries. National Institute of General Medical Sciences View MediaDying melanoma cells
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Melanoma (skin cancer) cells undergoing programmed cell death, also called apoptosis. This process was triggered by raising the pH of the medium that the cells were growing in. Dylan T. Burnette, Vanderbilt University School of Medicine. View MediaHost infection stimulates antibiotic resistance
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This illustration shows pathogenic bacteria behave like a Trojan horse: switching from antibiotic susceptibility to resistance during infection. View MediaStretch detectors
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Muscles stretch and contract when we walk, and skin splits open and knits back together when we get a paper cut. Christopher Chen, University of Pennsylvania View MediaMitochondria from rat heart muscle cell_2
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These mitochondria (brown) are from the heart muscle cell of a rat. Mitochondria have an inner membrane that folds in many places (and that appears here as striations). National Center for Microscopy and Imaging Research View MediaDisease-resistant Arabidopsis leaf
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This is a magnified view of an Arabidopsis thaliana leaf a few days after being exposed to the pathogen Hyaloperonospora arabidopsidis. Jeff Dangl, University of North Carolina, Chapel Hill View MediaHIV Capsid
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This image is a computer-generated model of the approximately 4.2 million atoms of the HIV capsid, the shell that contains the virus' genetic material. Juan R. Perilla and the Theoretical and Computational Biophysics Group, University of Illinois at Urbana-Champaign View MediaHIV-1 virus in the colon
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A tomographic reconstruction of the colon shows the location of large pools of HIV-1 virus particles (in blue) located in the spaces between adjacent cells. Mark Ladinsky, California Institute of Technology View MediaTracking embryonic zebrafish cells
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To better understand cell movements in developing embryos, researchers isolated cells from early zebrafish embryos and grew them as clusters. Liliana Solnica-Krezel, Washington University School of Medicine in St. Louis. View MediaSimulation of leg muscles moving
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When we walk, muscles and nerves interact in intricate ways. This simulation, which is based on data from a six-foot-tall man, shows these interactions. Chand John and Eran Guendelman, Stanford University View MediaPhagosome in macrophage cell
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A sensor particle being engulfed by a macrophage—an immune cell—and encapsuled in a compartment called a phagosome. The phagosome then fuses with lysosomes—another type of compartment. Yan Yu, Indiana University, Bloomington. View MediaActin flow
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Speckle microscopy analysis of actin cytoskeleton force. This is an example of NIH-supported research on single-cell analysis. Gaudenz Danuser, Harvard Medical School View MediaScanning electron microscopy of the ECM on the surface of a calf muscle
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This image shows the extracellular matrix (ECM) on the surface of a soleus (lower calf) muscle in light brown and blood vessels in pink. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaMicrotubules in hippocampal neurons
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Microtubules (magenta) in neurons of the hippocampus, a part of the brain involved in learning and memory. Microtubules are strong, hollow fibers that provide structural support to cells. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. 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 MediaEpithelial cell migration
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High-resolution time lapse of epithelial (skin) cell migration and wound healing. It shows an image taken every 13 seconds over the course of almost 14 minutes. Michael Shribak, Marine Biological Laboratory/University of Chicago. View MediaMicrosporidia in roundworm 2
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Many disease-causing microbes manipulate their host’s metabolism and cells for their own ends. Keir Balla and Emily Troemel, University of California San Diego View MediaV. Cholerae Biofilm
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Industrious V. cholerae bacteria (yellow) tend to thrive in denser biofilms (left) while moochers (red) thrive in weaker biofilms (right). View MediaTelomeres on outer edge of nucleus during cell division
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New research shows telomeres moving to the outer edge of the nucleus after cell division, suggesting these caps that protect chromosomes also may play a role in organizing DNA. Laure Crabbe, Jamie Kasuboski and James Fitzpatrick, Salk Institute for Biological Studies View MediaDraper, shown in the fatbody of a Drosophila melanogaster larva
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The fly fatbody is a nutrient storage and mobilization organ akin to the mammalian liver. The engulfment receptor Draper (green) is located at the cell surface of fatbody cells. Christina McPhee and Eric Baehrecke, University of Massachusetts Medical School 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 Media