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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.
Wound healing in process
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Wound healing requires the action of stem cells. Hermann Steller, Rockefeller University View Media
Sleep and the fly brain
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In the top snapshots, the brain of a sleep-deprived fruit fly glows orange, marking high concentrations of a synaptic protein called Bruchpilot (BRP) involved in communication between neurons. Chiara Cirelli, University of Wisconsin-Madison View Media
Cell cycle (with labels)
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Cells progress through a cycle that consists of phases for growth (G1, S, and G2) and division (M). Cells become quiescent when they exit this cycle (G0). Crabtree + Company View Media
Nucleotides make up DNA
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DNA consists of two long, twisted chains made up of nucleotides. Each nucleotide contains one base, one phosphate molecule, and the sugar molecule deoxyribose. Crabtree + Company View Media
Brains of sleep-deprived and well-rested fruit flies
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On top, the brain of a sleep-deprived fly glows orange because of Bruchpilot, a communication protein between brain cells. These bright orange brain areas are associated with learning. Chiara Cirelli, University of Wisconsin-Madison View Media
Natcher Building 08
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NIGMS staff are located in the Natcher Building on the NIH campus. Alisa Machalek, National Institute of General Medical Sciences View Media
HeLa 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 Media
Chromatin 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 Media
Adult and juvenile Hawaiian bobtail squids
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An adult Hawaiian bobtail squid, Euprymna scolopes, (~4 cm) surrounded by newly hatched juveniles (~2 mm) in a bowl of seawater.Margaret J. McFall-Ngai, Carnegie Institution for Science/California Institute of Technology, and Edward G. Ruby, California Institute of Technology. View Media
Endoplasmic reticulum abnormalities 2
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Human cells with the gene that codes for the protein FIT2 deleted. After an experimental intervention, they are expressing a nonfunctional version of FIT2, shown in green. Michel Becuwe, Harvard University. View Media
Relapsing fever bacterium (gray) and red blood cells
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Relapsing fever is caused by a bacterium and transmitted by certain soft-bodied ticks or body lice. The disease is seldom fatal in humans, but it can be very serious and prolonged. NIAID View Media
Recombinant DNA
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To splice a human gene into a plasmid, scientists take the plasmid out of an E. coli bacterium, cut the plasmid with a restriction enzyme, and splice in human DNA. Crabtree + Company View Media
Cell-like compartments emerging from scrambled frog eggs 3
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Cell-like compartments spontaneously emerge from scrambled frog eggs. Endoplasmic reticulum (red) and microtubules (green) are visible. Video created using epifluorescence microscopy. Xianrui Cheng, Stanford University School of Medicine. View Media
Genetically 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 Media
Heart muscle with reprogrammed skin cells
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Skins cells were reprogrammed into heart muscle cells. The cells highlighted in green are remaining skin cells. Red indicates a protein that is unique to heart muscle. Deepak Srivastava, Gladstone Institute of Cardiovascular Disease, via CIRM View Media
ATP synthase
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The world's smallest motor, ATP synthase, generates energy for the cell. See image 2518 for a labeled version of this illustration. Crabtree + Company 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
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
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
Intasome
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Salk researchers captured the structure of a protein complex called an intasome (center) that lets viruses similar to HIV establish permanent infection in their hosts. National Resource for Automated Molecular Microscopy http://nramm.nysbc.org/nramm-images/ Source: Bridget Carragher View Media
X-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 Media
Network diagram of genes, cellular components and processes (unlabeled)
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This image shows the hierarchical ontology of genes, cellular components and processes derived from large genomic datasets. From Dutkowski et al. Janusz Dutkowski and Trey Ideker View Media
Lysosomes and microtubules
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Lysosomes (yellow) and detyrosinated microtubules (light blue). Lysosomes are bubblelike organelles that take in molecules and use enzymes to break them down. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View Media
Cell-like compartments emerging from scrambled frog eggs
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Cell-like compartments spontaneously emerge 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 Media
Mitosis - telophase
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Telophase during mitosis: Nuclear membranes form around each of the two sets of chromosomes, the chromosomes begin to spread out, and the spindle begins to break down. Judith Stoffer View Media
Normal vascular development in frog embryos
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In vivo vascular development in kdr:GFP frogs. Related to images 3403 and 3405. Hye Ji Cha, University of Texas at Austin View Media
Cell-like compartments emerging from scrambled frog eggs 2
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Cell-like compartments spontaneously emerge 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 Media
Microscopy image of bird-and-flower DNA origami
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An atomic force microscopy image shows DNA folded into an intricate, computer-designed structure. Hao Yan, Arizona State University View Media
Ubiquitin-fold modifier 1 from C. elegans
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Solution NMR structure of protein target WR41 (left) from C. elegans. Northeast Structural Genomics Consortium 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
Superconducting magnet
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Superconducting magnet for NMR research, from the February 2003 profile of Dorothee Kern in Findings. Mike Lovett View Media
Two mouse fibroblast cells
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Two mouse fibroblasts, one of the most common types of cells in mammalian connective tissue. They play a key role in wound healing and tissue repair. Dylan T. Burnette, Vanderbilt University School of Medicine. View Media
Hydra 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 Media
Mycobacterium tuberculosis
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Mycobacterium tuberculosis, the bacterium that causes tuberculosis, has infected one-quarter of the world's population and causes more than one million deaths each year, according to the Reuben Peters, Iowa State University View Media
Stetten Lecture 2017poster image
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This image is featured on the poster for Dr. Rommie Amaro's 2017 Stetten Lecture. Dr. Rommie Amaro, University of California, San Diego View Media
Lily mitosis 13
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A light microscope image of cells 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 Media
Natcher Building 03
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NIGMS staff are located in the Natcher Building on the NIH campus. Alisa Machalek, National Institute of General Medical Sciences View Media
Colorful cells
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Actin (purple), microtubules (yellow), and nuclei (green) are labeled in these cells by immunofluorescence. This image won first place in the Nikon 2003 Small World photo competition. Torsten Wittmann, Scripps Research Institute View Media
