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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.
Microtubule growth
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Map of microtubule growth rates. Rates are color coded. This is an example of NIH-supported research on single-cell analysis. Gaudenz Danuser, Harvard Medical School View MediaColony of human ES cells
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A colony of human embryonic stem cells (light blue) grows on fibroblasts (dark blue). California Institute for Regenerative Medicine View MediaFruit fly nurse cells transporting their contents 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 MediaX-ray crystallography (with labels)
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X-ray crystallography allows researchers to see structures too small to be seen by even the most powerful microscopes. Crabtree + Company 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 MediaFluorescent microscopy of kidney tissue--close-up
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This photograph of kidney tissue, taken using fluorescent light microscopy, shows a close-up view of part of image 3723. Tom Deerinck , National Center for Microscopy and Imaging Research View MediaBicycling cell
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A humorous treatment of the concept of a cycling cell. Judith Stoffer View MediaTwo-headed Xenopus laevis tadpole
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Xenopus laevis, the African clawed frog, has long been used as a research organism for studying embryonic development. Michael Klymkowsky, University of Colorado, Boulder View MediaiPS cell facility at the Coriell Institute for Medical Research
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This lab space was designed for work on the induced pluripotent stem (iPS) cell collection, part of the NIGMS Human Genetic Cell Repository at the Coriell Institute for Medical Research. Courtney Sill, Coriell Institute for Medical Research View MediaRetinal pigment epithelium derived from human ES cells
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This color-enhanced image is a scanning electron microscope image of retinal pigment epithelial (RPE) cells derived from human embryonic stem cells. David Hinton lab, University of Southern California, via CIRM View MediaCell-free protein synthesizers
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Both instruments shown were developed by CellFree Sciences of Yokohama, Japan. Center for Eukaryotic Structural Genomics View MediaActivated mast cell surface
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A scanning electron microscope image of an activated mast cell. This image illustrates the interesting topography of the cell membrane, which is populated with receptors. Bridget Wilson, University of New Mexico 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 MediaNCMIR Intestine-2
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The small intestine is where most of our nutrients from the food we eat are absorbed into the bloodstream. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaYoung squids
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Real-time movie of young squids. Michael Shribak, Marine Biological Laboratory/University of Chicago. View MediaSymmetrically and asymmetrically elongating cells
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Merged fluorescent images of symmetrically (left) or asymmetrically (right) elongating HeLa cells at the end of early anaphase (magenta) and late anaphase (green). Tomomi Kiyomitsu and Iain M. Cheeseman, Whitehead Institute for Biomedical 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 MediaCRISPR
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RNA incorporated into the CRISPR surveillance complex is positioned to scan across foreign DNA. Cryo-EM density from a 3Å reconstruction is shown as a yellow mesh. NRAMM National Resource for Automated Molecular Microscopy http://nramm.nysbc.org/nramm-images/ Source: Bridget Carragher View MediaAnimal cell membrane
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The membrane that surrounds a cell is made up of proteins and lipids. Judith Stoffer View MediaCone snail shell
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A shell from the venomous cone snail Conus omaria, which lives in the Pacific and Indian oceans and eats other snails. Kerry Matz, University of Utah View MediaMolecules blocking Huntington's protein production
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The molecules that glow blue in these cultured cells prevent the expression of the mutant proteins that cause Huntington's disease. Jiaxin Hu, David W. Dodd and Robert H. E. Hudson, UT Southwestern Medical Center View MediaDeveloping nerve cells
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These developing mouse nerve cells have a nucleus (yellow) surrounded by a cell body, with long extensions called axons and thin branching structures called dendrites. Torsten Wittmann, University of California, San Francisco View MediaAutomated crystal screening system
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Automated crystal screening systems such as the one shown here are becoming a common feature at synchrotron and other facilities where high-throughput crystal structure determination is being carried Southeast Collaboratory for Structural Genomics View MediaHuman liver cell (hepatocyte)
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Hepatocytes, like the one shown here, are the most abundant type of cell in the human liver. Donna Beer Stolz, University of Pittsburgh 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 MediaAutomated Worm Sorter - 4
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Georgia Tech associate professor Hang Lu holds a microfluidic chip that is part of a system that uses artificial intelligence and cutting-edge image processing to automatically examine large number of Georgia Tech/Gary Meek View MediaBacterial glucose isomerase
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A crystal of bacterial glucose isomerase protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaFruit fly retina 01
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Image showing rhabdomeres (red), the light-sensitive structures in the fruit fly retina, and rhodopsin-4 (blue), a light-sensing molecule. Hermann Steller, Rockefeller University View MediaAn insect tracheal cell delivers air to muscles
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Insects like the fruit fly use an elaborate network of branching tubes called trachea (green) to transport oxygen throughout their bodies. Jayan Nair and Maria Leptin, European Molecular Biology Laboratory, Heidelberg, Germany View MediaSea urchin embryo 05
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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 MediaCentromeres on human chromosomes
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Human metaphase chromosomes are visible with fluorescence in vitro hybridization (FISH). Centromeric alpha satellite DNA (green) are found in the heterochromatin at each centromere. Peter Warburton, Mount Sinai School of Medicine View MediaDinosaur evolutionary tree
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Analysis of 68 million-year-old collagen molecule fragments preserved in a T. Chris Organ, Harvard University View MediaAverage teen circadian cycle
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Circadian rhythms are physical, mental, and behavioral changes that follow a 24-hour cycle. Typical circadian rhythms lead to high energy during the middle of the day (10 a.m. NIGMS View MediaColor coding of the Drosophila brain - video
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This video results from a research project to visualize which regions of the adult fruit fly (Drosophila) brain derive from each neural stem cell. Yong Wan from Charles Hansen’s lab, University of Utah. Data preparation and visualization by Masayoshi Ito in the lab of Kei Ito, University of Tokyo. View MediaDeveloping Arabidopsis flower buds
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Flower development is a carefully orchestrated, genetically programmed process that ensures that the male (stamen) and female (pistil) organs form in the right place and at the right time in the flowe Nathanaël Prunet, Caltech View MediaTrypanosoma brucei, the cause of sleeping sickness
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Trypanosoma brucei is a single-cell parasite that causes sleeping sickness in humans. Michael Rout, Rockefeller University View MediaChromosome inside nucleus
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The long, stringy DNA that makes up genes is spooled within chromosomes inside the nucleus of a cell. Crabtree + Company View MediaA molecular switch strips transcription factor from DNA
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In this video, Rice University scientists used molecular modeling with a mathematical algorithm called AWSEM (for associative memory, water-mediated, structure and energy model) and structural data to Davit Potoyan and Peter Wolynes View MediaArtificial cilia exhibit spontaneous beating
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Researchers have created artificial cilia that wave like the real thing. Zvonimir Dogic View MediaZika virus
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Zika virus is shown in cross section at center left. On the outside, it includes envelope protein (red) and membrane protein (magenta) embedded in a lipid membrane (light purple). Amy Wu and Christine Zardecki, RCSB Protein Data Bank. 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 MediaGenetically identical mycobacteria respond differently to antibiotic 2
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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 MediaX-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 2
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X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor. Markus A. Seeliger, Stony Brook University Medical School and David R. Liu, Harvard University View MediaLorsch Swearing In
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Jon Lorsch at his swearing in as NIGMS director in August 2013. Also shown are Francis Collins, NIH Director, and Judith Greenberg, former NIGMS Acting Director. View MediaLife of an AIDS virus (with labels and stages)
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HIV is a retrovirus, a type of virus that carries its genetic material not as DNA but as RNA. Crabtree + Company View MediaTetrapolar mitosis
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This image shows an abnormal, tetrapolar mitosis. Chromosomes are highlighted pink. The cells shown are S3 tissue cultured cells from Xenopus laevis, African clawed frog. Gary Gorbsky, Oklahoma Medical Research Foundation View MediaMotion in the brain
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Amid a network of blood vessels and star-shaped support cells, neurons in the brain signal each other. The mists of color show the flow of important molecules like glucose and oxygen. Kim Hager and Neal Prakash, University of California, Los Angeles View MediaOligoendopeptidase F from B. stearothermophilus
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Crystal structure of oligoendopeptidase F, a protein slicing enzyme from Bacillus stearothermophilus, a bacterium that can cause food products to spoil. Accelerated Technologies Center for Gene to 3D Structure/Midwest Center for Structural Genomics View MediaCryo-EM reveals how the HIV capsid attaches to a human protein to evade immune detection
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The illustration shows the capsid of human immunodeficiency virus (HIV) whose molecular features were resolved with cryo-electron microscopy (cryo-EM). Juan R. Perilla, University of Illinois at Urbana-Champaign View Media