Switch to Gallery View
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.
Cerebellum: the brain's locomotion control center
3639
The cerebellum of a mouse is shown here in cross-section. The cerebellum is the brain's locomotion control center. Thomas Deerinck, National Center for Microscopy and Imaging Research, University of California, San Diego View MediaCellular polarity
2309
As an egg cell develops, a process called polarization controls what parts ultimately become the embryo's head and tail. This picture shows an egg of the fruit fly Drosophila. Wu-Min Deng, Florida State University View MediaFinding one bug
2314
A nanometer-sized biosensor can detect a single deadly bacterium in tainted ground beef. How? Weihong Tan, University of Florida in Gainesville View MediaNeural tube development
2328
Proteins in the neural tissues of this zebrafish embryo direct cells to line up and form the neural tube, which will become the spinal cord and brain. Alexander Schier, Harvard University View MediaSmooth muscle from mouse stem cells
3289
These smooth muscle cells were derived from mouse neural crest stem cells. Red indicates smooth muscle proteins, blue indicates nuclei. Deepak Srivastava, Gladstone Institutes, via CIRM View MediaSheep hemoglobin crystal
2392
A crystal of sheep hemoglobin protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaPathways: The Fascinating Cells of Research Organisms
6538
Learn how research organisms, such as fruit flies and mice, can help us understand and treat human diseases. National Institute of General Medical Sciences View MediaActivated mast cell surface
2637
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 MediaAnimal cell
1274
A typical animal cell, sliced open to reveal a cross-section of organelles. Judith Stoffer View MediaStaphylococcus aureus aggregates on microstructured titanium surface
6803
Groups of Staphylococcus aureus bacteria (blue) attached to a microstructured titanium surface (green) that mimics an orthopedic implant used in joint replacement. Paul Stoodley, The Ohio State University. View MediaAntibodies in silica honeycomb
2750
Antibodies are among the most promising therapies for certain forms of cancer, but patients must take them intravenously, exposing healthy tissues to the drug and increasing the risk of side effects. Chenghong Lei, Pacific Northwest National Laboratory & Karl Erik Hellstrom, University of Washington View MediaHippocampal neuron from rodent brain
3686
Hippocampal neuron from rodent brain with dendrites shown in blue. The hundreds of tiny magenta, green and white dots are the dendritic spines of excitatory synapses. Shelley Halpain, UC San Diego View MediaBacteria shapes
1158
A colorized scanning electron micrograph of bacteria. Scanning electron microscopes allow scientists to see the three-dimensional surface of their samples. Tina Weatherby Carvalho, University of Hawaii at Manoa View MediaMolecular interactions at the astrocyte nuclear membrane
3734
These ripples of color represent the outer membrane of the nucleus inside an astrocyte, a star-shaped cell inside the brain. Katerina Akassoglou, Gladstone Institute for Neurological Disease & UCSF View MediaMost abundant protein in M. tuberculosis
2378
Model of a protein, antigen 85B, that is the most abundant protein exported by Mycobacterium tuberculosis, which causes most cases of tuberculosis. Mycobacterium Tuberculosis Center, PSI View MediaIn vitro assembly of a cell-signaling pathway
3787
T cells are white blood cells that are important in defending the body against bacteria, viruses and other pathogens. Xiaolei Su, HHMI Whitman Center of the Marine Biological Laboratory View MediaMouse retina close-up
5872
Keunyoung ("Christine") Kim National Center for Microscopy and Imaging Research (NCMIR) View MediaVibrio bacteria
1160
Vibrio, a type (genus) of rod-shaped bacteria. Some Vibrio species cause cholera in humans. Tina Weatherby Carvalho, University of Hawaii at Manoa View MediaA chromosome goes missing in anaphase
5766
Anaphase is the critical step during mitosis when sister chromosomes are disjoined and directed to opposite spindle poles, ensuring equal distribution of the genome during cell division. View MediaPetri dish containing C. elegans
6751
This Petri dish contains microscopic roundworms called Caenorhabditis elegans. Researchers used these particular worms to study how C. H. Robert Horvitz and Dipon Ghosh, Massachusetts Institute of Technology. View MediaSerratezomine A
2687
A 3-D model of the alkaloid serratezomine A shows the molecule's complex ring structure. View MediaHydra 03
2439
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 MediaFloral pattern in a mixture of two bacterial species, Acinetobacter baylyi and Escherichia coli, grown on a semi-solid agar for 48 hours (photo 2)
6555
Floral pattern emerging as two bacterial species, motile Acinetobacter baylyi (red) and non-motile Escherichia coli (green), are grown together for 48 hours on 1% agar surface from a sma L. Xiong et al, eLife 2020;9: e48885 View MediaMicrotubules in hippocampal neurons
6890
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 MediaBrain cells in the hippocampus
3688
Hippocampal cells in culture with a neuron in green, showing hundreds of the small protrusions known as dendritic spines. Shelley Halpain, UC San Diego View MediaDinosaur evolutionary tree
2474
Analysis of 68 million-year-old collagen molecule fragments preserved in a T. Chris Organ, Harvard University View MediaCell proliferation in a quail embryo
2808
Image showing that the edge zone (top of image) of the quail embryo shows no proliferating cells (cyan), unlike the interior zone (bottom of image). Non-proliferating cell nuclei are labeled green. Andrés Garcia, Georgia Tech View MediaVesicle traffic
1283
This illustration shows vesicle traffic inside a cell. Judith Stoffer View MediaInterphase in Xenopus frog cells
3443
These images show frog cells in interphase. The cells are Xenopus XL177 cells, which are derived from tadpole epithelial cells. The microtubules are green and the chromosomes are blue. Claire Walczak, who took them while working as a postdoc in the laboratory of Timothy Mitchison. View MediaLos ritmos circadianos y el núcleo supraquiasmático
6614
Los ritmos circadianos son cambios físicos, mentales y de comportamiento que siguen un ciclo de 24 horas. NIGMS View MediaWound healing in process
3498
Wound healing requires the action of stem cells. Hermann Steller, Rockefeller University View MediaCiclo circadiano de un adolescente típico
6612
Los ritmos circadianos son cambios físicos, mentales y conductuales que siguen un ciclo de 24 horas. NIGMS View MediaFlu virus proteins during self-replication
3434
Influenza (flu) virus proteins in the act of self-replication. Viral nucleoprotein (blue) encapsidates [encapsulates] the RNA genome (green). Scripps Research Institute in La Jolla, CA View Media3D reconstruction of a tubular matrix in peripheral endoplasmic reticulum
5857
Detailed three-dimensional reconstruction of a tubular matrix in a thin section of the peripheral endoplasmic reticulum between the plasma membranes of the cell. Jennifer Lippincott-Schwartz, Howard Hughes Medical Institute Janelia Research Campus, Virginia View MediaYeast cells pack a punch
3788
Although they are tiny, microbes that are growing in confined spaces can generate a lot of pressure. In this video, yeast cells grow in a small chamber called a microfluidic bioreactor. Oskar Hallatschek, UC Berkeley View MediaGFP sperm
2683
Fruit fly sperm cells glow bright green when they express the gene for green fluorescent protein (GFP). View MediaMitochondria from rat heart muscle cell
3661
These mitochondria (red) 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 MediaHawaiian bobtail squid
7011
An adult Hawaiian bobtail squid, Euprymna scolopes, swimming next to a submerged hand. Margaret J. McFall-Ngai, Carnegie Institution for Science/California Institute of Technology, and Edward G. Ruby, California Institute of Technology. View MediaMosaicism in C. elegans (White Background)
6534
In the worm C. elegans, double-stranded RNA made in neurons can silence matching genes in a variety of cell types through the transport of RNA between cells. Snusha Ravikumar, Ph.D., University of Maryland, College Park, and Antony M. Jose, Ph.D., University of Maryland, College Park View MediaPigment cells in fish skin
5756
Pigment cells are cells that give skin its color. David Parichy, University of Washington View MediaCryo-electron microscopy revealing the "wasabi receptor"
3747
The TRPA1 protein is responsible for the burn you feel when you taste a bite of sushi topped with wasabi. Jean-Paul Armache, UCSF View MediaNeutrophil-like cells migrating in a microfluidic chip
6886
Neutrophil-like cells (blue) in a microfluidic chip preferentially migrating toward LTB4 over fMLP. Caroline Jones, University of Texas at Dallas. View MediaSepsis Infographic
6536
Sepsis is the body’s overactive and extreme response to an infection. More than 1.7 million people get sepsis each year in the United States. National Institute of General Medical Sciences View MediaHoneybee brain
6755
Insect brains, like the honeybee brain shown here, are very different in shape from human brains. Gene Robinson, University of Illinois at Urbana-Champaign. View MediaFly by night
2417
This fruit fly expresses green fluorescent protein (GFP) in the same pattern as the period gene, a gene that regulates circadian rhythm and is expressed in all sensory neurons on the surface of the fl Jay Hirsh, University of Virginia View MediaBacterial glucose isomerase
2409
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 MediamDia1 antibody staining-01
3330
Cells move forward with lamellipodia and filopodia supported by networks and bundles of actin filaments. Proper, controlled cell movement is a complex process. Rong Li and Praveen Suraneni, Stowers Institute for Medical Research View MediaTongue 1
5810
Microscopy image of tongue. One in a series of two, see image 5811 National Center for Microscopy and Imaging Research (NCMIR) View MediaBeta-galactosidase montage showing cryo-EM improvement--gradient background
5883
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 MediaHuman embryonic stem cells
2608
The center cluster of cells, colored blue, shows a colony of human embryonic stem cells. James Thomson, University of Wisconsin-Madison View Media