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    Illustration of red human embryo on black background at pregnancy stage of week 14. — Stock Photo
    Illustration of red human embryo on black background at pregnancy stage of week 14.
    Bacterial culture grown from human skin on Petri dish with nutrient medium. — Stock Photo
    Bacterial culture grown from human skin on Petri dish with nutrient medium.
    Patella bone in skeleton of human body, computer illustration. — Stock Photo
    Patella bone in skeleton of human body, computer illustration.
    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.
    Close-up of Female lizard with baby lizard sitting on back — Stock Photo
    Close-up of Female lizard with baby lizard sitting on back
    Acute pyelonephritis, computer illustration and light micrograph — Stock Photo
    Acute pyelonephritis, computer illustration and light micrograph
    Meningitis bacteria (Neisseria meningitidis), computer illustration — Stock Photo
    Meningitis bacteria (Neisseria meningitidis), computer illustration
    Human fetus age 21 weeks — Stock Photo
    Human fetus age 21 weeks
    Intermediate cuneiform bone in transparent human body, computer illustration. — Stock Photo
    Intermediate cuneiform bone in transparent human body, computer illustration.
    Structure and shape of viral capsid — Stock Photo
    Structure and shape of viral capsid
    Male anatomy showing Carpi radialis brevis muscle, computer illustration. — Stock Photo
    Male anatomy showing Carpi radialis brevis muscle, computer illustration.
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Male anatomy showing brain and nervous system, computer illustration. — Stock Photo
    Male anatomy showing brain and nervous system, computer illustration.
    Male anatomy showing Sternoclaidomastoid muscle, computer illustration. — Stock Photo
    Male anatomy showing Sternoclaidomastoid muscle, computer illustration.
    Pegomya bicolor fly trapped by frozen dew drop at tip of grass blade. — Stock Photo
    Pegomya bicolor fly trapped by frozen dew drop at tip of grass blade.
    Human brain and spine on white background, digital illustration. — Stock Photo
    Human brain and spine on white background, digital illustration.
    Chronic pyelonephritis, computer illustration and light micrograph — Stock Photo
    Chronic pyelonephritis, computer illustration and light micrograph
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Swine vesicular disease virus particle — Stock Photo
    Swine vesicular disease virus particle
    Nipah virus particles, digital artwork. — Stock Photo
    Nipah virus particles, digital artwork.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Male body with visible colored Adductor brevis muscle, computer illustration. — Stock Photo
    Male body with visible colored Adductor brevis muscle, computer illustration.
    Illustration of cancerous tumour in female brain. — Stock Photo
    Illustration of cancerous tumour in female brain.
    Human compact bone tissue, light micrograph. — Stock Photo
    Human compact bone tissue, light micrograph.
    Female Asian tiger mosquito, colored scanning electron micrograph. — Stock Photo
    Female Asian tiger mosquito, colored scanning electron micrograph.
    Abstract yellow colored cancer cell on black background, digital illustration. — Stock Photo
    Abstract yellow colored cancer cell on black background, digital illustration.
    Tubular RNA Marburg virus particles, digital illustration. — Stock Photo
    Tubular RNA Marburg virus particles, digital illustration.
    Microbiota of human intestine, abstract digital 3d illustration. — Stock Photo
    Microbiota of human intestine, abstract digital 3d illustration.
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella. — Stock Photo
    Digital illustration of Salmonella Gram-negative rod-shaped bacteria with flagella.
    Illustration of transparent blue silhouette of male body with colored heart tumour. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart tumour.
    Illustration of small intestine in human body silhouette. — Stock Photo
    Illustration of small intestine in human body silhouette.
    Normal human arteries, — Stock Photo
    Normal human arteries,
    Digital illustration of human cilia cells. — Stock Photo
    Digital illustration of human cilia cells.
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Manta rays swimming over sea bottom — Stock Photo
    Manta rays swimming over sea bottom
    Illustration of back bones in human skeleton on black background. — Stock Photo
    Illustration of back bones in human skeleton on black background.
    Coronavirus particles, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome) — Stock Photo
    Coronavirus particles, computer illustration. Different strains of coronavirus are responsible for diseases such as the common cold, gastroenteritis and SARS (severe acute respiratory syndrome)
    Anatomical male body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Anatomical male body showing skeleton and lymphatic system, digital illustration.
    Close-up of picture-winged fly on wild plant yellow flower. — Stock Photo
    Close-up of picture-winged fly on wild plant yellow flower.
    Nerve bundle from the sciatic nerve — Stock Photo
    Nerve bundle from the sciatic nerve
    Human skeleton part with detailed red Biceps brachii muscle, digital illustration. — Stock Photo
    Human skeleton part with detailed red Biceps brachii muscle, digital illustration.
    Closeup magnified part of black and brown ant with glossy head and legs — Stock Photo
    Closeup magnified part of black and brown ant with glossy head and legs
    Microscopic dust mites colony — Stock Photo
    Microscopic dust mites colony
    Blue silhouette of senior woman silhouette with highlighted thyroid gland, illustration. — Stock Photo
    Blue silhouette of senior woman silhouette with highlighted thyroid gland, illustration.
    Young Pigs Eating from ground — Stock Photo
    Young Pigs Eating from ground
    Illustration of sore hip replacement on black background. — Stock Photo
    Illustration of sore hip replacement on black background.
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Female cardiovascular system on black background. — Stock Photo
    Female cardiovascular system on black background.
    Abstract illustration of bacilli bacteria, full frame. — Stock Photo
    Abstract illustration of bacilli bacteria, full frame.
    Pollen grains from different plants, computer illustration — Stock Photo
    Pollen grains from different plants, computer illustration
    Myelinated nerve fibres — Stock Photo
    Myelinated nerve fibres
    Sitting on bench male silhouette with abdominal pain, digital illustration. — Stock Photo
    Sitting on bench male silhouette with abdominal pain, digital illustration.
    Ilium bone in transparent human body, computer illustration. — Stock Photo
    Ilium bone in transparent human body, computer illustration.
    Spacious facility of garden center with assorted potted plants and blooming flowers lit by sunlight — Stock Photo
    Spacious facility of garden center with assorted potted plants and blooming flowers lit by sunlight
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Female silhouette with visible small intestine, digital illustration. — Stock Photo
    Female silhouette with visible small intestine, digital illustration.
    Full length red bodied shrimp swimming near coral reefs on pebble sea bottom — Stock Photo
    Full length red bodied shrimp swimming near coral reefs on pebble sea bottom
    Aloe vera plant — Stock Photo
    Aloe vera plant
    Brown bear and cubs — Stock Photo
    Brown bear and cubs