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.
Zinc levels in a plant leaf
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Zinc is required for the function of more than 300 enzymes, including those that help regulate gene expression, in various organisms including humans. Suzana Car, Dartmouth College View MediaMosaicism in C. elegans (Black Background)
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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 MediaPanorama 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 MediaMapping brain differences
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This image of the human brain uses colors and shapes to show neurological differences between two people. Arthur Toga, University of California, Los Angeles 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 MediaHuman ES cells differentiating into neurons
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This image shows hundreds of human embryonic stem cells in various stages of differentiating into neurons. Guoping Fan lab, University of California, Los Angeles, via CIRM View MediaPigment cells in fish skin
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Pigment cells are cells that give skin its color. David Parichy, University of Washington 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 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 MediaCell division with late aligning chromosomes
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This video shows an instance of abnormal mitosis where chromosomes are late to align. Gary Gorbsky, Oklahoma Medical Research Foundation 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 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 MediamDia1 antibody staining- 02
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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 MediaArabidopsis leaf injected with a pathogen
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This is a magnified view of an Arabidopsis thaliana leaf eight days after being infected with the pathogen Hyaloperonospora arabidopsidis, which is closely related to crop pathogens that Jeff Dangl, University of North Carolina, Chapel Hill View MediaMouse heart muscle cells
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This image shows neonatal mouse heart cells. These cells were grown in the lab on a chip that aligns the cells in a way that mimics what is normally seen in the body. Kara McCloskey lab, University of California, Merced, via CIRM View MediaMitosis - prometaphase
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A cell in prometaphase during mitosis: The nuclear membrane breaks apart, and the spindle starts to interact with the chromosomes. Judith Stoffer View MediaMolecular interactions at the astrocyte nuclear membrane
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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 MediaBacteria in the mouse colon
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Image of the colon of a mouse mono-colonized with Bacteroides fragilis (red) residing within the crypt channel. The red staining is due to an antibody to B. Sarkis K. Mazmanian, California Institute of Technology View MediaScanning electron microscopy of collagen fibers
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This image shows collagen, a fibrous protein that's the main component of the extracellular matrix (ECM). Collagen is a strong, ropelike molecule that forms stretch-resistant fibers. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaCell-like compartments from frog eggs 2
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Cell-like compartments that spontaneously emerged from scrambled frog eggs, with nuclei (blue) from frog sperm. Endoplasmic reticulum (red) and microtubules (green) are also visible. Xianrui Cheng, Stanford University School of Medicine. View MediaDividing cell in metaphase
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This image of a mammalian epithelial cell, captured in metaphase, was the winning image in the high- and super-resolution microscopy category of the 2012 GE Healthcare Life Sciences Cell Imaging Compe Jane Stout in the laboratory of Claire Walczak, Indiana University, GE Healthcare 2012 Cell Imaging Competition View MediaHuman endoplasmic reticulum membrane protein complex
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A 3D model of the human endoplasmic reticulum membrane protein complex (EMC) that identifies its nine essential subunits. Rebecca Voorhees, California Institute of Technology. View MediaAging book of life
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Damage to each person's genome, often called the "Book of Life," accumulates with time. Judith Stoffer View MediaMitosis - metaphase
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A cell in metaphase during mitosis: The copied chromosomes align in the middle of the spindle. Judith Stoffer View MediaHIV Infected Cell
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The human immunodeficiency virus (HIV), shown here as tiny purple spheres, causes the disease known as AIDS (for acquired immunodeficiency syndrome). Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) 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. John Alumasa, Keiler Laboratory, Pennsylvania State University View MediaMitochondria
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Bean-shaped mitochondria are cells' power plants. These organelles have their own DNA and replicate independently. The highly folded inner membranes are the site of energy generation. Judith Stoffer View MediaBiopixels
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Bioengineers were able to coax bacteria to blink in unison on microfluidic chips. This image shows a small chip with about 500 blinking bacterial colonies or biopixels. Jeff Hasty Lab, UC San Diego View MediaFruit fly egg chamber
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A fruit fly (Drosophila melanogaster) egg chamber with microtubules shown in green and actin filaments shown in red. Vladimir I. Gelfand, Feinberg School of Medicine, Northwestern University. View MediaTranscription 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 MediaLily mitosis 09
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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 MediaMitochondrion from insect flight muscle
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This is a tomographic reconstruction of a mitochondrion from an insect flight muscle. National Center for Microscopy and Imaging Research View MediaHuman 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 MediaCryo-ET cross-section of a rat pancreas cell
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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 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 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 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 MediaCircadian rhythm neurons in the fruit fly brain
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Some nerve cells (neurons) in the brain keep track of the daily cycle. This time-keeping mechanism, called the circadian clock, is found in all animals including us. Justin Blau, New York University View MediaMicrotubule dynamics in real time
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Cytoplasmic linker protein (CLIP)-170 is a microtubule plus-end-tracking protein that regulates microtubule dynamics and links microtubule ends to different intracellular structures. Gary Borisy, Marine Biology Laboratory View MediaPlasma membrane
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The plasma membrane is a cell's protective barrier. See image 2524 for a labeled version of this illustration. Featured in The Chemistry of Health. Crabtree + Company View MediaDicty fruit
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Dictyostelium discoideum is a microscopic amoeba. A group of 100,000 form a mound as big as a grain of sand. Featured in The New Genetics. 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 MediaFruit fly egg ooplasmic streaming
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Two fruit fly (Drosophila melanogaster) egg cells, one on each side of the central black line. Vladimir I. Gelfand, Feinberg School of Medicine, Northwestern University. View MediaSmooth muscle from mouse stem cells
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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 MediaCell toxins
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A number of environmental factors cause DNA mutations that can lead to cancer: toxins in cigarette smoke, sunlight and other radiation, and some viruses. Judith Stoffer View MediaMouse cerebellum in pink and blue
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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 MediaBioluminescent imaging in adult zebrafish 04
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Luciferase-based imaging enables visualization and quantification of internal organs and transplanted cells in live adult zebrafish. View MediaMotor neuron progenitors derived from human ES cells
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Motor neuron progenitors (green) were derived from human embryonic stem cells. Image and caption information courtesy of the California Institute for Regenerative Medicine. Hans Keirstead lab, University of California, Irvine, via CIRM View MediaNeuron with labeled synapses
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In this image, recombinant probes known as FingRs (Fibronectin Intrabodies Generated by mRNA display) were expressed in a cortical neuron, where they attached fluorescent proteins to either PSD95 (gre Don Arnold and Richard Roberts, University of Southern California. View Media