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

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone. — Stock Photo
    Illustration of accentuated red parathyroid glands behind thyroid gland and molecules of parathyroid hormone.
    Scientists working in laboratory with microscope and computer. — Stock Photo
    Scientists working in laboratory with microscope and computer.
    Molecule of triiodothyronine T3 hormone produced by thyroid gland, digital illustration. — Stock Photo
    Molecule of triiodothyronine T3 hormone produced by thyroid gland, digital illustration.
    Male laboratory assistant holding test tube rack. — Stock Photo
    Male laboratory assistant holding test tube rack.
    Close-up of DNA autoradiogram on white background. — Stock Photo
    Close-up of DNA autoradiogram on white background.
    Digital molecular model of secondary structure of immunoglobulin G antibodies. — Stock Photo
    Digital molecular model of secondary structure of immunoglobulin G antibodies.
    Microbiological culture growing in Petri dish. — Stock Photo
    Microbiological culture growing in Petri dish.
    Scientist hand holding micro-centrifuge tube containing biological sample. — Stock Photo
    Scientist hand holding micro-centrifuge tube containing biological sample.
    Scientist holding chemical flask and using pipette. — Stock Photo
    Scientist holding chemical flask and using pipette.
    Molecular model of follicle-stimulating hormone. — Stock Photo
    Molecular model of follicle-stimulating hormone.
    DNA molecule, abstract scientific illustration. — Stock Photo
    DNA molecule, abstract scientific illustration.
    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.
    Illustration of transmembrane proteins and glycolipids on outer surface of cell membrane. — Stock Photo
    Illustration of transmembrane proteins and glycolipids on outer surface of cell membrane.
    Single test tube with blood sample in rack. — Stock Photo
    Single test tube with blood sample in rack.
    Female scientist working in laboratory. — Stock Photo
    Female scientist working in laboratory.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Laboratory assistants working in lab. — Stock Photo
    Laboratory assistants working in lab.
    Cell membrane structure, digital illustration. — Stock Photo
    Cell membrane structure, digital illustration.
    Female laboratory assistant using equipment. — Stock Photo
    Female laboratory assistant using equipment.
    DNA test result on microcentrifuge tube with DNA sample in scientist hand. — Stock Photo
    DNA test result on microcentrifuge tube with DNA sample in scientist hand.
    Liquid samples in quartz cuvettes containers. — Stock Photo
    Liquid samples in quartz cuvettes containers.
    Molecular model of parathyroid hormone structure. — Stock Photo
    Molecular model of parathyroid hormone structure.
    Medical samples — Stock Photo
    Medical samples
    Weighing of capsules and pills in precision scales of medicine and liquid pharmaceutical products in laboratory — Stock Photo
    Weighing of capsules and pills in precision scales of medicine and liquid pharmaceutical products in laboratory
    Female scientist holding multi-well plate with growth medium. — Stock Photo
    Female scientist holding multi-well plate with growth medium.
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Chromosomes, illustration. Chromosomes are composed of deoxyribonucleic acid (DNA) and contain sections, called genes, which encode the body's genetic information — Stock Photo
    Chromosomes, illustration. Chromosomes are composed of deoxyribonucleic acid (DNA) and contain sections, called genes, which encode the body's genetic information
    Molecular model of snake venom toxin convulxin from tropical rattlesnake. — Stock Photo
    Molecular model of snake venom toxin convulxin from tropical rattlesnake.
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing. — Stock Photo
    Close-up of hands of scientist placing slide with human sample under light microscope for medical testing.
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    Amyloid precursor protein of cell membrane, digital illustration. — Stock Photo
    Amyloid precursor protein of cell membrane, digital illustration.
    Single test tube with blood sample. — Stock Photo
    Single test tube with blood sample.
    Deoxyribonucleic acid molecule composition and structure — Stock Photo
    Deoxyribonucleic acid molecule composition and structure
    Pipette adding a solution to a sample — Stock Photo
    Pipette adding a solution to a sample
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Female scientists working in laboratory. — Stock Photo
    Female scientists working in laboratory.
    Activation of T-cell immune response, illustration. — Stock Photo
    Activation of T-cell immune response, illustration.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Molecular model of hormone cortisol and digital illustration of adrenal gland. — Stock Photo
    Molecular model of hormone cortisol and digital illustration of adrenal gland.
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Microbiological cultures growing in Petri dishes. — Stock Photo
    Microbiological cultures growing in Petri dishes.
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Illustration of purple chloride channels in cell membrane. — Stock Photo
    Illustration of purple chloride channels in cell membrane.
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    Scientist pipetting samples into test tubes in laboratory. — Stock Photo
    Scientist pipetting samples into test tubes in laboratory.
    Ribonucleic acid (RNA) chain, 3d illustration. — Stock Photo
    Ribonucleic acid (RNA) chain, 3d illustration.
    Molecular models of antibody structures, digital illustration. — Stock Photo
    Molecular models of antibody structures, digital illustration.
    Lymphocyte white blood cells in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cells in human lymphatic system, digital illustration.
    Nucleic acid, abstract digital illustration. — Stock Photo
    Nucleic acid, abstract digital illustration.
    Lymphocytes white blood cells, digital illustration. — Stock Photo
    Lymphocytes white blood cells, digital illustration.
    Genetic research tube containing DNA sample with DNA profile in background. — Stock Photo
    Genetic research tube containing DNA sample with DNA profile in background.
    Genetic engineering, illustration. Synthetic small-ribonucleic acid (sRNA) being injected (needle tip at upper right) into the cell cytoplasm as part of a process of genetic engineering — Stock Photo
    Genetic engineering, illustration. Synthetic small-ribonucleic acid (sRNA) being injected (needle tip at upper right) into the cell cytoplasm as part of a process of genetic engineering
    Microbiological culture growing in Petri dish, close-up. — Stock Photo
    Microbiological culture growing in Petri dish, close-up.
    Genetic research tube containing DNA sample with DNA profile in background. — Stock Photo
    Genetic research tube containing DNA sample with DNA profile in background.
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology. — Stock Photo
    Colonies of Penicillium fungi grown on Sabouraud Dextrose Agar and digital illustration of fungal morphology.
    Molecular model of hormone cortisol and digital illustration of adrenal gland. — Stock Photo
    Molecular model of hormone cortisol and digital illustration of adrenal gland.
    Scientist holding DNA sample in tube with autoradiograph on DNA gel. — Stock Photo
    Scientist holding DNA sample in tube with autoradiograph on DNA gel.
    DNA structure with intercalated motif, digital illustration. — Stock Photo
    DNA structure with intercalated motif, digital illustration.
    Illustration of adrenal gland and molecular model of steroid hormone Aldosterone. — Stock Photo
    Illustration of adrenal gland and molecular model of steroid hormone Aldosterone.
    CRISPR-Cas9 gene editing complex in DNA and cells, conceptual illustration. — Stock Photo
    CRISPR-Cas9 gene editing complex in DNA and cells, conceptual illustration.