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.

Blood Clot

6387

Thomas Deerinck, NCMIR View Media

An adult Hawaiian bobtail squid

7013

An adult female Hawaiian bobtail squid, Euprymna scolopes, with its mantle cavity exposed from the underside. Margaret J. McFall-Ngai, Carnegie Institution for Science/California Institute of Technology, and Edward G. Ruby, California Institute of Technology. View Media

Cell-like compartments from frog eggs 5

6592

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 Media

Bond types (with labels)

2520

Ionic and covalent bonds hold molecules, like sodium chloride and chlorine gas, together. Hydrogen bonds among molecules, notably involving water, also play an important role in biology. Crabtree + Company View Media

Nociceptin/orphanin FQ peptide opioid receptor

3364

The receptor is shown bound to an antagonist, compound-24 Raymond Stevens, The Scripps Research Institute View Media

Housekeeping cell illustration

1311

Cell mopping up. Judith Stoffer View Media

Bacillus anthracis being killed

3525

Bacillus anthracis (anthrax) cells being killed by a fluorescent trans-translation inhibitor, which disrupts bacterial protein synthesis. Kenneth Keiler, Penn State University View Media

X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 6

3418

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

Microtubules in African green monkey cells

6891

Microtubules in African green monkey cells. Microtubules are strong, hollow fibers that provide cells with structural support. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View Media

Hydra 05

2441

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

Lysosome clusters around amyloid plaques

5771

It's probably most people's least favorite activity, but we still need to do it--take out our trash. Otherwise our homes will get cluttered and smelly, and eventually, we'll get sick. Swetha Gowrishankar and Shawn Ferguson, Yale School of Medicine View Media

Human blood cells with Borrelia hermsii, a bacterium that causes relapsing fever

3586

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

A2A adenosine receptor

3361

The receptor is shown bound to an inverse agonist, ZM241385. Raymond Stevens, The Scripps Research Institute View Media

Zebrafish embryo

3644

Just 22 hours after fertilization, this zebrafish embryo is already taking shape. By 36 hours, all of the major organs will have started to form. Philipp Keller, Bill Lemon, Yinan Wan, and Kristin Branson, Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, Va. View Media

G switch (with labels)

2537

The G switch allows our bodies to respond rapidly to hormones. G proteins act like relay batons to pass messages from circulating hormones into cells. Crabtree + Company View Media

Interphase 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 Media

Lysosomes and microtubules

6889

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

Protein purification robot in action 01

2369

A robot is transferring 96 purification columns to a vacuum manifold for subsequent purification procedures. The Northeast Collaboratory for Structural Genomics View Media

Mitochondria

1287

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 Media

Fruit fly in the pink

2693

Fruit flies are a common model organism for basic medical research. Crabtree + Company View Media

Protein from Methanobacterium thermoautotrophicam

2374

A knotted protein from an archaebacterium called Methanobacterium thermoautotrophicam. This organism breaks down waste products and produces methane gas. Midwest Center For Structural Genomics, PSI View Media

Automated crystal screening system

2362

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 Media

Fruit fly nurse cells during egg development

6753

In many animals, the egg cell develops alongside sister cells. Adam C. Martin, Massachusetts Institute of Technology. View Media

Alternative splicing (with labels)

2553

Arranging exons in different patterns, called alternative splicing, enables cells to make different proteins from a single gene. Featured in The New Genetics. Crabtree + Company View Media

Fruit fly sperm cells

2433

Developing fruit fly spermatids require caspase activity (green) for the elimination of unwanted organelles and cytoplasm via apoptosis. Hermann Steller, Rockefeller University View Media

Disrupted vascular development in frog embryos

3403

Disassembly of vasculature in kdr:GFP frogs following addition of 250 µM TBZ. Related to images 3404 and 3505. Hye Ji Cha, University of Texas at Austin View Media

Hydra 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 Media

RNase A (1)

2398

A crystal of RNase A protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View Media

NCMIR mouse tail

3395

Stained cross section of a mouse tail. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View Media

STORM image of axonal cytoskeleton

3678

This image shows the long, branched structures (axons) of nerve cells. Xiaowei Zhuang Laboratory, Howard Hughes Medical Institute, Harvard University View Media

DNA replication origin recognition complex (ORC)

3597

A study published in March 2012 used cryo-electron microscopy to determine the structure of the DNA replication origin recognition complex (ORC), a semi-circular, protein complex (yellow) that recogni Huilin Li, Brookhaven National Laboratory View Media

O2 reacting with a flavin-dependent enzyme

3411

Department of Biological Chemistry, University of Michigan View Media

DDR2 Receptors Attach to Collagen in Breast Tumor

3478

On the left, the boundary of a breast tumor (yellow) attaches to collagen fibers that are closest to it (green) using DDR2. On the right, a tumor without DDR2 remains disconnected from the collagen. Callie Corsa and Suzanne Ponik, Washington University School of Medicine in St. Louis View Media

Tracking cells in a gastrulating zebrafish embryo

6776

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

Induced stem cells from adult skin 04

2606

The human skin cells pictured contain genetic modifications that make them pluripotent, essentially equivalent to embryonic stem cells. James Thomson, University of Wisconsin-Madison View Media

“Two-faced” Janus particle activating a macrophage

6801

A macrophage—a type of immune cell that engulfs invaders—“eats” and is activated by a “two-faced” Janus particle. Yan Yu, Indiana University, Bloomington. View Media

Cell cycle wheel

1310

A typical animal cell cycle lasts roughly 24 hours, but depending on the type of cell, it can vary in length from less than 8 hours to more than a year. Most of the variability occurs in Gap1. Judith Stoffer View Media

Bond types

2519

Ionic and covalent bonds hold molecules, like sodium chloride and chlorine gas, together. Hydrogen bonds among molecules, notably involving water, also play an important role in biology. Crabtree + Company View Media

Structure of heme, top view

3539

Molecular model of the struture of heme. Heme is a small, flat molecule with an iron ion (dark red) at its center. Rachel Kramer Green, RCSB Protein Data Bank View Media

Drosophila (fruit fly) myosin 1D motility assay

6562

Actin gliding powered by myosin 1D. Note the counterclockwise motion of the gliding actin filaments. Serapion Pyrpassopoulos and E. Michael Ostap, University of Pennsylvania View Media

Histone deacetylases

7001

The human genome contains much of the information needed for every cell in the body to function. However, different types of cells often need different types of information. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Building blocks and folding of proteins

2508

Proteins are made of amino acids hooked end-to-end like beads on a necklace. To become active, proteins must twist and fold into their final, or "native," conformation. Crabtree + Company View Media

Yeast cells with Fimbrin Fim1

6794

Yeast cells with the protein Fimbrin Fim1 shown in magenta. This protein plays a role in cell division. This image was captured using wide-field microscopy with deconvolution.
Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View Media

ARTS triggers apoptosis

2432

Cell showing overproduction of the ARTS protein (red). ARTS triggers apoptosis, as shown by the activation of caspase-3 (green) a key tool in the cell's destruction. The nucleus is shown in blue. Hermann Steller, Rockefeller University View Media

Colorful communication

2313

The marine bacterium Vibrio harveyi glows when near its kind. Bonnie Bassler, Princeton University View Media

Cas9 protein involved in the CRISPR gene-editing technology

5816

In the gene-editing tool CRISPR, a small strand of RNA identifies a specific chunk of DNA. Janet Iwasa View Media

Wild-type and mutant fruit fly ovaries

6806

The two large, central, round shapes are ovaries from a typical fruit fly (Drosophila melanogaster). Vladimir I. Gelfand, Feinberg School of Medicine, Northwestern University. View Media

mDia1 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 Media

Structure of a key antigen protein involved with Hepatitis C Virus infection

5866

A three-dimensional representation of the structure of E2, a key antigen protein involved with hepatitis C virus infection. Mansun Law Associate Professor Department of Immunolgy and Microbial Science The Scripps Research Institute View Media

Dense tubular matrices in the peripheral endoplasmic reticulum (ER) 1

5855

Superresolution microscopy work on endoplasmic reticulum (ER) in the peripheral areas of the cell showing details of the structure and arrangement in a complex web of tubes. Jennifer Lippincott-Schwartz, Howard Hughes Medical Institute Janelia Research Campus, Virginia View Media