En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
1240 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Alarm clock, coloured X-ray. — Stock Photo
    Alarm clock, coloured X-ray.
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species — Stock Photo
    Diatoms. Coloured scanning electron micrograph (SEM) of Campylodiscus species diatoms. The diatoms are a group of photosynthetic, single-celled algae containing about 100, 000 species
    Trendy homosexual man with long nails in ornamental shirt looking away while squatting on pavement against wall — Stock Photo
    Trendy homosexual man with long nails in ornamental shirt looking away while squatting on pavement against wall
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Man holds fresh caught jack fish, panama — Stock Photo
    Man holds fresh caught jack fish, panama
    Colored scanning electron micrograph showing urethral epithelium of urethra. — Stock Photo
    Colored scanning electron micrograph showing urethral epithelium of urethra.
    Great coneflower (Rudbeckia maxima), coloured X-ray. — Stock Photo
    Great coneflower (Rudbeckia maxima), coloured X-ray.
    Closeup of a denture in a laboratory — Stock Photo
    Closeup of a denture in a laboratory
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Briefcase with various items, coloured X-ray. — Stock Photo
    Briefcase with various items, coloured X-ray.
    Dentures and toothbrush against white background, studio shot. — Stock Photo
    Dentures and toothbrush against white background, studio shot.
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells.
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Normal skull structure of young adult — Stock Photo
    Normal skull structure of young adult
    Chicken eggshell cross section — Stock Photo
    Chicken eggshell cross section
    Colored scanning electron micrograph of nanostructures formed on vanadium oxide surface by carbon dioxide laser. — Stock Photo
    Colored scanning electron micrograph of nanostructures formed on vanadium oxide surface by carbon dioxide laser.
    Normal head and brain, MRI scan — Stock Photo
    Normal head and brain, MRI scan
    Previously burnt sub-alpine forest rebounding in summer with lodge-pole pines and variety of wildflowers, yarrow, aster, arnica and corn lilies. — Stock Photo
    Previously burnt sub-alpine forest rebounding in summer with lodge-pole pines and variety of wildflowers, yarrow, aster, arnica and corn lilies.
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum — Stock Photo
    Weevil (Sitophilus sp.), coloured scanning electron micrograph (SEM). This weevil is a major agricultural pest. It primarily attacks stored grains and fruits, feeding on them with its often elongated snout, or rostrum
    Knee of obese patient with arthritis — Stock Photo
    Knee of obese patient with arthritis
    Ornate ghost pipefish on sea fan — Stock Photo
    Ornate ghost pipefish on sea fan
    Normal head and brain — Stock Photo
    Normal head and brain
    White blood cell — Stock Photo
    White blood cell
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration. — Stock Photo
    Human intestine and close-up of Campylobacter jejuni bacteria causing Campylobacteriosis, conceptual illustration.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Black colleagues examining denture in laboratory — Stock Photo
    Black colleagues examining denture in laboratory
    Old church in English countryside — Stock Photo
    Old church in English countryside
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis — Stock Photo
    Coloured scanning electron micrograph (SEM) of Pediculus humanus capitis, human head lice. P. humanus is divided into two subspecies; the head louse P. humanus capitis and the body louse P. humanus corporis
    Coloured scanning electron micrograph of surface of prostate cancer cells. — Stock Photo
    Coloured scanning electron micrograph of surface of prostate cancer cells.
    Neutrophil cells. Coloured transmission electron micrograph (TEM) of human neutrophil cells. Neutrophils are involved in inflammatory responses to tissue damage, where they engulf and destroy microorganisms — Stock Photo
    Neutrophil cells. Coloured transmission electron micrograph (TEM) of human neutrophil cells. Neutrophils are involved in inflammatory responses to tissue damage, where they engulf and destroy microorganisms
    Coloured scanning electron micrograph of breast cancer cell. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cell.
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( blue) is an insulating fatty layer that surrounds the myelinated nerve fibres (pink) — Stock Photo
    Peripheral nerve. Coloured transmission electron micrograph (TEM) of a section through a small peripheral nerve. Myelin( blue) is an insulating fatty layer that surrounds the myelinated nerve fibres (pink)
    Copepod, coloured scanning electron micrograph (SEM). — Stock Photo
    Copepod, coloured scanning electron micrograph (SEM).
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae. — Stock Photo
    Coloured scanning electron micrograph of fresh water centric diatoms frustules type of algae.
    Osteoarthritis of the hip — Stock Photo
    Osteoarthritis of the hip
    Dentures on table against white background. — Stock Photo
    Dentures on table against white background.
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease.
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen. — Stock Photo
    Composite image of nasal epithelium and pollen. Coloured Scanning Electron Micrograph (SEM) of the surface of nasal epithelium with inhaled in pollen.
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Staphylococcus aureus coccoid bacteria, colored scanning electron micrograph.
    Closeup of a denture in a laboratory — Stock Photo
    Closeup of a denture in a laboratory
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    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
    Coloured frontal X-ray of a blocked intestine (upper centre). — Stock Photo
    Coloured frontal X-ray of a blocked intestine (upper centre).
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM). — Stock Photo
    Freshwater sponge (Spongilla sp.), coloured scanning electron micrograph (SEM).
    Asparagus beetle head — Stock Photo
    Asparagus beetle head
    Red blood cells — Stock Photo
    Red blood cells
    Zika virus particles — Stock Photo
    Zika virus particles
    Piece of cake with close-up of Staphylococcus bacteria, food poisoning conceptual illustration. — Stock Photo
    Piece of cake with close-up of Staphylococcus bacteria, food poisoning conceptual illustration.
    Person making prosthetic teeth, close-up. — Stock Photo
    Person making prosthetic teeth, close-up.
    Coloured scanning electron micrograph of breast cancer cells. — Stock Photo
    Coloured scanning electron micrograph of breast cancer cells.
    Fractured ankle bone, computer illustration — Stock Photo
    Fractured ankle bone, computer illustration
    Colored computed tomography scan of section through brain of senior male patient with dementia. — Stock Photo
    Colored computed tomography scan of section through brain of senior male patient with dementia.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain