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343 results

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    Respiratory syncytial virus — Stock Photo
    Respiratory syncytial virus
    Senior man and boy holding model boat outdoors — Stock Photo
    Senior man and boy holding model boat outdoors
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Wooden pylon supporting power lines against sunlight. — Stock Photo
    Wooden pylon supporting power lines against sunlight.
    Cables for public transportation in low angle view — Stock Photo
    Cables for public transportation in low angle view
    Electric technician in wind farm transmission area — Stock Photo
    Electric technician in wind farm transmission area
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow) — Stock Photo
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow)
    Power pylon on country plains under clouds in Texas, USA — Stock Photo
    Power pylon on country plains under clouds in Texas, USA
    Chicken eggs and microscopic image of salmonella bacteria causing salmonellosis. — Stock Photo
    Chicken eggs and microscopic image of salmonella bacteria causing salmonellosis.
    Brucella bacteria, illustration. Gram-negative pleomorphic bacteria that cause brucellosis in cattle and humans and are transmitted to humans by direct contact with ill animal or by contaminated milk. — Stock Photo
    Brucella bacteria, illustration. Gram-negative pleomorphic bacteria that cause brucellosis in cattle and humans and are transmitted to humans by direct contact with ill animal or by contaminated milk.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Covid-19, Coronavirus. Several covid-19 viruses infecting the human organism. Concept image of the virus inside human cells. — Stock Photo
    Covid-19, Coronavirus. Several covid-19 viruses infecting the human organism. Concept image of the virus inside human cells.
    Abstract structure of neural network on light background, digital illustration. — Stock Photo
    Abstract structure of neural network on light background, digital illustration.
    Colorful digital illustration of neural network of nervous system in human brain. — Stock Photo
    Colorful digital illustration of neural network of nervous system in human brain.
    Radio tower against starry sky — Stock Photo
    Radio tower against starry sky
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles
    Man wearing a mask and gloves walking on a path outside using his smart phone during the Covid-19 world pandemic; Edmonton, Alberta, Canada — Stock Photo
    Man wearing a mask and gloves walking on a path outside using his smart phone during the Covid-19 world pandemic; Edmonton, Alberta, Canada
    Police Car parked — Stock Photo
    Police Car parked
    Man wearing a mask and gloves walking on a path by the Legislature during the Covid-19 world pandemic; Edmonton, Alberta, Canada — Stock Photo
    Man wearing a mask and gloves walking on a path by the Legislature during the Covid-19 world pandemic; Edmonton, Alberta, Canada
    Northern Lights glowing green in the starry sky above a rural road and transmission lines, Sturgeon County; Alberta, Canada — Stock Photo
    Northern Lights glowing green in the starry sky above a rural road and transmission lines, Sturgeon County; Alberta, Canada
    Cilia covering the epithelial lining of the nasopharyx — Stock Photo
    Cilia covering the epithelial lining of the nasopharyx
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain. — Stock Photo
    Digital illustration of pyramidal nerve cells from cerebral cortex of brain.
    Low angle view of modern building facade with small satellites systems. — Stock Photo
    Low angle view of modern building facade with small satellites systems.
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible. — Stock Photo
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible.
    Rocks balanced in piles with a lighthouse in the background; Prince Edward Island, Canada — Stock Photo
    Rocks balanced in piles with a lighthouse in the background; Prince Edward Island, Canada
    Artificial intelligence, conceptual illustration — Stock Photo
    Artificial intelligence, conceptual illustration
    Grandmother cooking food and little boy peeling an apple at home — Stock Photo
    Grandmother cooking food and little boy peeling an apple at home
    Satellite dish on the roof of a building, Boston, Massachusetts, USA — Stock Photo
    Satellite dish on the roof of a building, Boston, Massachusetts, USA
    Designers discussing prototype cog in workshop — Stock Photo
    Designers discussing prototype cog in workshop
    Man and little boy using laptop computer — Stock Photo
    Man and little boy using laptop computer
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration. — Stock Photo
    Prevention of transplacental HIV transmission to human embryo from infected mother, conceptual illustration.
    Grandmother and little boy cooking food at kitchen — Stock Photo
    Grandmother and little boy cooking food at kitchen
    Infected droplet. 3D illustration showing one respiratory droplet containing coronavirus particles. — Stock Photo
    Infected droplet. 3D illustration showing one respiratory droplet containing coronavirus particles.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Colorful digital illustration of neural network of nervous system in human brain. — Stock Photo
    Colorful digital illustration of neural network of nervous system in human brain.
    Landscape of TV tower Torre de Collserola with fog in Barcelona on cloudy day — Stock Photo
    Landscape of TV tower Torre de Collserola with fog in Barcelona on cloudy day
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible. — Stock Photo
    Pancreas tissue. Transmission electron micrograph (TEM) of part of the exocrine pancreas. Seen here are zymogen granules and cell nuclei. In the image the endoplasmic reticulum that fills the cytoplasm is clearly visible.
    Coloured TEM of a cluster of rotaviruses — Stock Photo
    Coloured TEM of a cluster of rotaviruses
    Coxsackie viruse particles. — Stock Photo
    Coxsackie viruse particles.
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Grandmother and little boy cooking food at kitchen — Stock Photo
    Grandmother and little boy cooking food at kitchen
    Pipeline in Eastern Iceland; Skutustadahreppur, Northeastern Region, Iceland — Stock Photo
    Pipeline in Eastern Iceland; Skutustadahreppur, Northeastern Region, Iceland
    3d illustration of synapse structure of human neurons while passing electrical signal. — Stock Photo
    3d illustration of synapse structure of human neurons while passing electrical signal.
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( brown) is an insulating fatty layer that surrounds the myelinated nerve fibres (blue)
    Serious gray haired elderly repairman using tablet and watching video instruction while fixing old broken motorcycle in garage — Stock Photo
    Serious gray haired elderly repairman using tablet and watching video instruction while fixing old broken motorcycle in garage
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery.
    Lung tissue, coloured transmission electron micrograph (TEM). of a pulmonary capillary containing two red blood cells (red) and three platelets (brown). A basement membrane (cyan) surround the endothelium separating it from the alveolar epithelium — Stock Photo
    Lung tissue, coloured transmission electron micrograph (TEM). of a pulmonary capillary containing two red blood cells (red) and three platelets (brown). A basement membrane (cyan) surround the endothelium separating it from the alveolar epithelium
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus — Stock Photo
    Osteoblasts. Colored transmission electron micrograph (TEM) of osteoblasts, bone-producing cells (purple and pink). They contain rough endoplasmic reticulum (RER), which produces, modifies and transports proteins, and nucleus
    Grandmother and little boy cooking food at kitchen — Stock Photo
    Grandmother and little boy cooking food at kitchen
    Colorful digital illustration of neural network of nervous system in human brain. — Stock Photo
    Colorful digital illustration of neural network of nervous system in human brain.
    Viral lung infection, illustration. Inflamed lungs infected with virus particles. — Stock Photo
    Viral lung infection, illustration. Inflamed lungs infected with virus particles.
    Neurone embedded in grey matter — Stock Photo
    Neurone embedded in grey matter
    Intestinal brush border in small intestine showing numerous microvilli, colored transmission electron micrograph. — Stock Photo
    Intestinal brush border in small intestine showing numerous microvilli, colored transmission electron micrograph.
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Grandmother and little boy smelling honey at kitchen — Stock Photo
    Grandmother and little boy smelling honey at kitchen
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    Zika virus particles — Stock Photo
    Zika virus particles
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration. — Stock Photo
    Transplacental transmission of Toxoplasma gondii parasites to human embryo, conceptual illustration.
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow) — Stock Photo
    Pancreatic cells. Colored transmission electron micrograph (TEM) of acinar (exocrine) pancreatic cells (red) adjacent to hormone- secreting (endocrine) Islet of Langerhans cells (yellow)
    Mature virus and budding release of HIV — Stock Photo
    Mature virus and budding release of HIV