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.

Telomeres 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 Media

Biofilm formed by a pathogen

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A biofilm is a highly organized community of microorganisms that develops naturally on certain surfaces. Scott Chimileski, Ph.D., and Roberto Kolter, Ph.D., Harvard Medical School. View Media

Sea urchin embryo 01

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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 Media

Biofilm blocking fluid flow

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This time-lapse movie shows that bacterial communities called biofilms can create blockages that prevent fluid flow in devices such as stents and catheters over a period of about 56 hours. Bonnie Bassler, Princeton University View Media

Chromatin 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 Media

Hungry, hungry macrophages

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Macrophages (green) are the professional eaters of our immune system. Meghan Morrissey, University of California, Santa Barbara. View Media

Developing 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 Media

Skin cell (keratinocyte)

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This normal human skin cell was treated with a growth factor that triggered the formation of specialized protein structures that enable the cell to move. Torsten Wittmann, University of California, San Francisco View Media

Human Adenovirus

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The cryo-EM structure of human adenovirus D26 (HAdV-D26) at near atomic resolution (3.7 Å), determined in collaboration with the NRAMM facility*. National Resource for Automated Molecular Microscopy http://nramm.nysbc.org/nramm-images/ Source: Bridget Carragher View Media

Larvae 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 Media

Endoplasmic reticulum abnormalities

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Human cells with the gene that codes for the protein FIT2 deleted. Green indicates an endoplasmic reticulum (ER) resident protein. Michel Becuwe, Harvard University. View Media

Misfolded proteins in mitochondria, 3-D video

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Three-dimensional image of misfolded proteins (green) within mitochondria (red). Related to image 5878. Rong Li, Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University View Media

Growing hair follicle stem cells

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Wound healing requires the action of stem cells. Hermann Steller, Rockefeller University View Media

Olfactory system

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Sensory organs have cells equipped for detecting signals from the environment, such as odors. Judith Stoffer View Media

Panorama view of golden mitochondria

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Mitochondria are the powerhouses of the cells, generating the energy the cells need to do their tasks and to stay alive. Torsten Wittmann, University of California, San Francisco View Media

Worms and human infertility

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This montage of tiny, transparent C. elegans--or roundworms--may offer insight into understanding human infertility. Abby Dernburg, Lawrence Berkeley National Laboratory View Media

Fruit fly brain responds to adipokines

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Drosophila adult brain showing that an adipokine (fat hormone) generates a response from neurons (aqua) and regulates insulin-producing neurons (red).
Akhila Rajan, Fred Hutchinson Cancer Center View Media

Neural circuits in worms similar to those in humans

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Green and yellow fluorescence mark the processes and cell bodies of some C. elegans neurons. Shawn Xu, University of Michigan View Media

H1N1 Influenza Virus

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Related to image 6355. Dr. Rommie Amaro, University of California, San Diego View Media

Life in balance

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Mitosis creates cells, and apoptosis kills them. The processes often work together to keep us healthy. Judith Stoffer View Media

Telomerase illustration

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Reactivating telomerase in our cells does not appear to be a good way to extend the human lifespan. Cancer cells reactivate telomerase. Judith Stoffer View Media

Epithelial 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 Media

Microsporidia in roundworm 3

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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 Media

Neural tube development

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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 Media

Shiga toxin being sorted inside a cell

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Shiga toxin (green) is sorted from the endosome into membrane tubules (red), which then pinch off and move to the Golgi apparatus. Somshuvra Mukhopadhyay, The University of Texas at Austin, and Adam D. Linstedt, Carnegie Mellon University View Media

Transcription factor Sox17 controls embryonic development of certain internal organs

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During embryonic development, transcription factors (proteins that regulate gene expression) govern the differentiation of cells into separate tissues and organs. James M. Wells, Cincinnati Children's Hospital Medical Center View Media

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 Media

Microsporidia 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 Media

Host 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 Media

Actin 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 Media

Endothelial cell

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This image shows two components of the cytoskeleton, microtubules (green) and actin filaments (red), in an endothelial cell derived from a cow lung. Tina Weatherby Carvalho, University of Hawaii at Manoa View Media

Red blood cells

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This image of human red blood cells was obtained with the help of a scanning electron microscope, an instrument that uses a finely focused electron beam to yield detailed images of the surface of a sa Tina Weatherby Carvalho, University of Hawaii at Manoa View Media

Snowflake yeast 3

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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 Media

Developing fruit fly nerve cord

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The glial cells (black dots) and nerve cells (brown bands) in this developing fruit fly nerve cord formed normally despite the absence of the SPITZ protein, which blocks their impending suicide. Hermann Steller, Rockefeller University View Media

Sea 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 Media

Pathways – Bacteria vs. Viruses: What's the Difference?

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Learn about how bacteria and viruses differ, how they each can make you sick, and how they can or cannot be treated. National Institute of General Medical Sciences View Media

Human embryonic stem cells on feeder cells

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This fluorescent microscope image shows human embryonic stem cells whose nuclei are stained green. Blue staining shows the surrounding supportive feeder cells. Michael Longaker lab, Stanford University School of Medicine, via CIRM View Media

Tracking 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 Media

Spreading Cells 01

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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 Media

Multivesicular bodies containing intralumenal vesicles assemble at the vacuole 1

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Collecting and transporting cellular waste and sorting it into recylable and nonrecylable pieces is a complex business in the cell. Matthew West and Greg Odorizzi, University of Colorado View Media

Mouse cerebellum

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The cerebellum is the brain's locomotion control center. Found at the base of your brain, the cerebellum is a single layer of tissue with deep folds like an accordion. National Center for Microscopy and Imaging Research (NCMIR) View Media

Electrode probe on mouse Huntington's muscle cell

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Using an electrode, researchers apply an electrical pulse onto a piece of muscle tissue affected by Huntington's disease. Grigor Varuzhanyan and Andrew A. Voss, California State Polytechnic University View Media

A bundle of myelinated peripheral nerve cells (axons)

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The extracellular matrix (ECM) is most prevalent in connective tissues but also is present between the stems (axons) of nerve cells. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View Media

Caulobacter

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A study using Caulobacter crescentus showed that some bacteria use just-in-time processing, much like that used in industrial delivery, to make the glue that allows them to attach to surfaces, Yves Brun, Indiana University View Media

Nerve 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 Media

Zebrafish larva

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You are face to face with a 6-day-old zebrafish larva. What look like eyes will become nostrils, and the bulges on either side will become eyes. Oscar Ruiz and George Eisenhoffer, University of Texas MD Anderson Cancer Center, Houston View Media

Fruit fly ovaries

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Fruit fly (Drosophila melanogaster) ovaries with DNA shown in magenta and actin filaments shown in light blue. This image was captured using a confocal laser scanning microscope.
Vladimir I. Gelfand, Feinberg School of Medicine, Northwestern University. View Media

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