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.

Lily mitosis 04

1014

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 Media

Crab nerve cell

1247

Neuron from a crab showing the cell body (bottom), axon (rope-like extension), and growth cone (top right). Tina Weatherby Carvalho, University of Hawaii at Manoa View Media

Ear hair cells derived from embryonic stem cells

3272

Mouse embryonic stem cells matured into this bundle of hair cells similar to the ones that transmit sound in the ear. Stefen Heller, Stanford University, via CIRM View Media

Circadian rhythm

2841

The human body keeps time with a master clock called the suprachiasmatic nucleus or SCN. Crabtree + Company View Media

Activation energy (with labels)

2526

To become products, reactants must overcome an energy hill. See image 2525 for an unlabeled version of this illustration. Crabtree + Company View Media

Vimentin in a quail embryo

2809

Video of high-resolution confocal images depicting vimentin immunofluorescence (green) and nuclei (blue) at the edge of a quail embryo yolk. Andrés Garcia, Georgia Tech View Media

Lily mitosis 07

1017

Structure of heme, side view

3540

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

CRISPR Illustration Frame 2

6486

This illustration shows, in simplified terms, how the CRISPR-Cas9 system can be used as a gene-editing tool. National Institute of General Medical Sciences. View Media

Induced stem cells from adult skin 02

2604

These cells are induced stem cells made from human adult skin cells that were genetically reprogrammed to mimic embryonic stem cells. James Thomson, University of Wisconsin-Madison View Media

Bacterial 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 Media

Bovine milk alpha-lactalbumin (1)

2397

A crystal of bovine milk alpha-lactalbumin protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine 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

Symmetrically and asymmetrically elongating cells

3648

Merged fluorescent images of symmetrically (left) or asymmetrically (right) elongating HeLa cells at the end of early anaphase (magenta) and late anaphase (green). Tomomi Kiyomitsu and Iain M. Cheeseman, Whitehead Institute for Biomedical Research View Media

Mitosis - anaphase

1328

A cell in anaphase during mitosis: Chromosomes separate into two genetically identical groups and move to opposite ends of the spindle. Judith Stoffer View Media

Molecular 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 Media

Sea urchin embryo 04

1050

Stereo triplet of a sea urchin embryo stained to reveal actin filaments (orange) and microtubules (blue). George von Dassow, University of Washington View Media

Developing zebrafish fin

3598

Originally from the waters of India, Nepal, and neighboring countries, zebrafish can now be found swimming in science labs (and home aquariums) throughout the world. Jessica Plavicki View Media

Precise development in the fruit fly embryo

2593

This 2-hour-old fly embryo already has a blueprint for its formation, and the process for following it is so precise that the difference of just a few key molecules can change the plans. Thomas Gregor, Princeton University View Media

Protein purification robot

2375

Irina Dementieva, a biochemist, and Youngchang Kim, a biophysicist and crystallographer, work with the first robot of its type in the U.S. to automate protein purification. Midwest Center for Structural Genomics View Media

Bacteriophage P22 capsid

5874

Cryo-electron microscopy (cryo-EM) has the power to capture details of proteins and other small biological structures at the molecular level. This image shows proteins in the capsid, or outer co Dr. Wah Chiu, Baylor College of Medicine View Media

Cell-like compartments from frog eggs 4

6591

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

Automated Worm Sorter - 4

3475

Georgia Tech associate professor Hang Lu holds a microfluidic chip that is part of a system that uses artificial intelligence and cutting-edge image processing to automatically examine large number of Georgia Tech/Gary Meek View Media

Anti-tumor drug ecteinascidin 743 (ET-743) with hydrogens 04

2793

Ecteinascidin 743 (ET-743, brand name Yondelis), was discovered and isolated from a sea squirt, Ecteinascidia turbinata, by NIGMS grantee Kenneth Rinehart at the University of Illinois. Timothy Jamison, Massachusetts Institute of Technology View Media

X-ray diffraction pattern from a crystallized cefotaxime-CCD-1 complex

6765

CCD-1 is an enzyme produced by the bacterium Clostridioides difficile that helps it resist antibiotics. Keith Hodgson, Stanford University. View Media

Genetically identical mycobacteria respond differently to antibiotic 1

5751

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

Enzyme reaction

6604

Enzymes speed up chemical reactions by reducing the amount of energy needed for the reactions. NIGMS View Media

Culex quinquefasciatus mosquito larvae

6771

Mosquito larvae with genes edited by CRISPR swimming in water. Valentino Gantz, University of California, San Diego. View Media

Cytoscape network diagram 1

2737

Molecular biologists are increasingly relying on bioinformatics software to visualize molecular interaction networks and to integrate these networks with data such as gene expression profiles. Keiichiro Ono, Trey Ideker lab, University of California, San Diego View Media

Fruit fly ovary

6522

In this image of a stained fruit fly ovary, the ovary is packed with immature eggs (with DNA stained blue). The cytoskeleton (in pink) is a collection of fibers that gives a cell shape and support. Crystal D. Rogers, Ph.D., University of California, Davis, School of Veterinary Medicine; and Mariano A. Loza-Coll, Ph.D., California State University, Northridge. View Media

Gene silencing

2318

Pretty in pink, the enzyme histone deacetylase (HDA6) stands out against a background of blue-tinted DNA in the nucleus of an Arabidopsis plant cell. Olga Pontes and Craig Pikaard, Washington University View Media

Molecular interactions

2743

This network map shows molecular interactions (yellow) associated with a congenital condition that causes heart arrhythmias and the targets for drugs that alter these interactions (red and blue). Ravi Iyengar, Mount Sinai School of Medicine View Media

Mouse heart muscle cells 02

3283

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 Media

RNA interference

2558

RNA interference or RNAi is a gene-silencing process in which double-stranded RNAs trigger the destruction of specific RNAs. Crabtree + Company View Media

Sperm cell

1293

Illustration of a sperm, the male reproductive cell. Judith Stoffer View Media

Stem cell differentiation

1294

Undifferentiated embryonic stem cells cease to exist a few days after conception. In this image, ES cells are shown to differentiate into sperm, muscle fiber, hair cells, nerve cells, and cone cells. Judith Stoffer 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

Dynamin structure

2744

When a molecule arrives at a cell's outer membrane, the membrane creates a pouch around the molecule that protrudes inward. Josh Chappie, National Institute of Diabetes and Digestive and Kidney Diseases, NIH View Media

Peripheral nerve cell derived from ES cells

3264

A peripheral nerve cell made from human embryonic stem cell-derived neural crest stem cells. Stephen Dalton, University of Georgia View Media

Kupffer cell residing in the liver

6535

Kupffer cells appear in the liver during the early stages of mammalian development and stay put throughout life to protect liver cells, clean up old red blood cells, and regulate iron levels. Thomas Deerinck, National Center for Microscopy and Imaging Research, University of California, San Diego. View Media

More Images...

View All Images