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    Schematic representation of human vein structure — Stock Photo
    Schematic representation of human vein structure
    Thyroid gland cancer with closeup view of cancer cells, computer illustration. — Stock Photo
    Thyroid gland cancer with closeup view of cancer cells, computer illustration.
    Animal Cells in culture — Stock Photo
    Animal Cells in culture
    Measles virus particle, illustration. This virus, from the Morbillivirus group of viruses, consists of an RNA (ribonucleic acid) core surrounded by an envelope studded with surface proteins haemagglutinin-neuraminidase and fusion protein — Stock Photo
    Measles virus particle, illustration. This virus, from the Morbillivirus group of viruses, consists of an RNA (ribonucleic acid) core surrounded by an envelope studded with surface proteins haemagglutinin-neuraminidase and fusion protein
    Human skeleton in yoga tree position, or vrikshasana. Computer illustration showing skeletal activity in this yoga posture. — Stock Photo
    Human skeleton in yoga tree position, or vrikshasana. Computer illustration showing skeletal activity in this yoga posture.
    Human fetus developing at week 25, computer illustration. — Stock Photo
    Human fetus developing at week 25, computer illustration.
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration — Stock Photo
    Pyramidal neurons (nerve cells) of human brain frontal cortex, computer illustration
    Blood clot, computer illustration — Stock Photo
    Blood clot, computer illustration
    Human scapula anatomy — Stock Photo
    Human scapula anatomy
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis — Stock Photo
    Acute pyelonephritis. Illustration of small abscesses (yellow) on surface of kidney in case of acute pyelonephritis
    Illustration of the fungus Candida. Individual cells of the fungus are shown as purple ellipsoids. Species of Candida can cause serious infection in humans. For example, Candida auris causes candidiasis, often acquired in hospital by patients — Stock Photo
    Illustration of the fungus Candida. Individual cells of the fungus are shown as purple ellipsoids. Species of Candida can cause serious infection in humans. For example, Candida auris causes candidiasis, often acquired in hospital by patients
    Human fetus developing at week 27, computer illustration. — Stock Photo
    Human fetus developing at week 27, computer illustration.
    Rod-shaped bacterial infection — Stock Photo
    Rod-shaped bacterial infection
    Shoulder and waist pain localization — Stock Photo
    Shoulder and waist pain localization
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    Facial recognition, computer illustration — Stock Photo
    Facial recognition, computer illustration
    Anatomy of warrior 1 pose, or virabhadrasana 1. Computer illustration showing a male body with highlighted skeleton demonstrating the skeletal activity of this yoga posture. — Stock Photo
    Anatomy of warrior 1 pose, or virabhadrasana 1. Computer illustration showing a male body with highlighted skeleton demonstrating the skeletal activity of this yoga posture.
    Abstract pollen grains from various plants differ in size and shape, computer illustration. — Stock Photo
    Abstract pollen grains from various plants differ in size and shape, computer illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Adult human skull structure — Stock Photo
    Adult human skull structure
    Cancer cell, computer illustration — Stock Photo
    Cancer cell, computer illustration
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Illustration of abstract dark plexus tunnel in futuristic style. — Stock Photo
    Illustration of abstract dark plexus tunnel in futuristic style.
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis — Stock Photo
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis
    Osteoclast cell structure — Stock Photo
    Osteoclast cell structure
    Illustration of Staphylococcus aureus (MRSA) coccoid bacteria. Staphylococcus aureus is a Gram-positive bacterium that causes food poisoning, toxic shock syndrome and skin and wound infections such as scalded skin syndrome — Stock Photo
    Illustration of Staphylococcus aureus (MRSA) coccoid bacteria. Staphylococcus aureus is a Gram-positive bacterium that causes food poisoning, toxic shock syndrome and skin and wound infections such as scalded skin syndrome
    Normal human sperm cells — Stock Photo
    Normal human sperm cells
    Closeup of Bacteria, computer illustration — Stock Photo
    Closeup of Bacteria, computer illustration
    Dental mirror and human teeth — Stock Photo
    Dental mirror and human teeth
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Human fetus developing at week 25, computer illustration. — Stock Photo
    Human fetus developing at week 25, computer illustration.
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis. — Stock Photo
    Tuberculosis bacteria. Computer illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis.
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    Pelvic bones and sacrum — Stock Photo
    Pelvic bones and sacrum
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria — Stock Photo
    Acute pyelonephritis caused by Acinetobacter baumannii bacteria
    Human fetus developing at week 36, computer illustration. — Stock Photo
    Human fetus developing at week 36, computer illustration.
    Closeup of Bacteria, computer illustration — Stock Photo
    Closeup of Bacteria, computer illustration
    Human fetus developing at week 30, computer illustration. — Stock Photo
    Human fetus developing at week 30, computer illustration.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Human fetus developing at week 32, computer illustration. — Stock Photo
    Human fetus developing at week 32, computer illustration.
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Cancer invasion into surrounding tissues, conceptual computer illustration. — Stock Photo
    Cancer invasion into surrounding tissues, conceptual computer illustration.
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Brainstem and cerebellum structures — Stock Photo
    Brainstem and cerebellum structures
    African swine fever virus, illustration. This virus is member of iridovirus group that causes African swine fever, haemorrhagic fever in pigs that has high mortality rate — Stock Photo
    African swine fever virus, illustration. This virus is member of iridovirus group that causes African swine fever, haemorrhagic fever in pigs that has high mortality rate
    Flu viruses, computer illustration — Stock Photo
    Flu viruses, computer illustration
    Focus of inflammation localized in hip joint — Stock Photo
    Focus of inflammation localized in hip joint
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    Facial recognition, computer illustration — Stock Photo
    Facial recognition, computer illustration
    Reovirus viral particle — Stock Photo
    Reovirus viral particle
    Human skeletal anatomy — Stock Photo
    Human skeletal anatomy
    Hookworm head anatomy — Stock Photo
    Hookworm head anatomy
    Botulism bacterium. Illustration of botulism bacteria (Clostridium botulinum). These bacteria occur naturally in soil. They produce botulinum toxin, a powerful neurotoxin that can be ingested on contaminated, improperly cooked food — Stock Photo
    Botulism bacterium. Illustration of botulism bacteria (Clostridium botulinum). These bacteria occur naturally in soil. They produce botulinum toxin, a powerful neurotoxin that can be ingested on contaminated, improperly cooked food
    Cross-section of human head anatomy — Stock Photo
    Cross-section of human head anatomy
    Red blood cells in bloodstream — Stock Photo
    Red blood cells in bloodstream
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Viral particles enclosed in protective capsid — Stock Photo
    Viral particles enclosed in protective capsid
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis — Stock Photo
    Brain infections. Computer illustration of microorganisms that cause encephalitis and meningitis
    Healthy human teeth — Stock Photo
    Healthy human teeth