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29488606 results

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    Human heart with coronary blood vessels, illustration. — Stock Photo
    Human heart with coronary blood vessels, illustration.
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research. — Stock Photo
    Female scientist pipetting sample into microcentrifuge tubes ready for automated analysis while biotechnology research.
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell
    Male silhouette with wrist pain, digital illustration. — Stock Photo
    Male silhouette with wrist pain, digital illustration.
    Digital illustration showing close-up of cholera infection bacteria in small intestine. — Stock Photo
    Digital illustration showing close-up of cholera infection bacteria in small intestine.
    Cholera bacteria colony — Stock Photo
    Cholera bacteria colony
    Human stomach adenocarcinoma, computer illustration and light micrograph. — Stock Photo
    Human stomach adenocarcinoma, computer illustration and light micrograph.
    Influenza virus structure — Stock Photo
    Influenza virus structure
    Female silhouette with visible internal organs, digital illustration. — Stock Photo
    Female silhouette with visible internal organs, digital illustration.
    Human facial bones — Stock Photo
    Human facial bones
    Sitting in chair male silhouette with arm pain, digital illustration. — Stock Photo
    Sitting in chair male silhouette with arm pain, digital illustration.
    Human kidney structural anatomy — Stock Photo
    Human kidney structural anatomy
    Sitting in chair female silhouette with back pain, digital illustration. — Stock Photo
    Sitting in chair female silhouette with back pain, digital illustration.
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Sitting in chair male silhouette with arm pain, digital illustration. — Stock Photo
    Sitting in chair male silhouette with arm pain, digital illustration.
    Healthy and Infected bronchus — Stock Photo
    Healthy and Infected bronchus
    Male silhouette with wrist pain, digital illustration. — Stock Photo
    Male silhouette with wrist pain, digital illustration.
    Giardia lamblia protozoan parasites in duodenum, digital illustration. — Stock Photo
    Giardia lamblia protozoan parasites in duodenum, digital illustration.
    Normal rib cage — Stock Photo
    Normal rib cage
    Viral particles enclosed in protective capsid — Stock Photo
    Viral particles enclosed in protective capsid
    Human leg structural anatomy — Stock Photo
    Human leg structural anatomy
    Two month old fetus — Stock Photo
    Two month old fetus
    Human facial muscles — Stock Photo
    Human facial muscles
    Human shoulder anatomy — Stock Photo
    Human shoulder anatomy
    Male silhouette with shoulder pain, digital illustration. — Stock Photo
    Male silhouette with shoulder pain, digital illustration.
    Healthy human brain — Stock Photo
    Healthy human brain
    Three dimensional view of female urinary system — Stock Photo
    Three dimensional view of female urinary system
    Thyroid gland and cartilage anatomy — Stock Photo
    Thyroid gland and cartilage anatomy
    Muscles and structural anatomy — Stock Photo
    Muscles and structural anatomy
    Discus thrower skeletal system, digital illustration. — Stock Photo
    Discus thrower skeletal system, digital illustration.
    Human buttock muscles — Stock Photo
    Human buttock muscles
    Human skin anatomy and blood supply — Stock Photo
    Human skin anatomy and blood supply
    Sperm fertilizing an egg cell — Stock Photo
    Sperm fertilizing an egg cell
    Dental mirror and human teeth — Stock Photo
    Dental mirror and human teeth
    Skeletal system and internal organs — Stock Photo
    Skeletal system and internal organs
    Back pain localized in spine — Stock Photo
    Back pain localized in spine
    Colon affected by ulcerative colitis — Stock Photo
    Colon affected by ulcerative colitis
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration. — Stock Photo
    Trichomonas vaginalis causing trichomoniasis and neutrophils, digital illustration.
    Head louse on human hair — Stock Photo
    Head louse on human hair
    Human teeth being cleaned — Stock Photo
    Human teeth being cleaned
    Cancer cell, computer illustration. — Stock Photo
    Cancer cell, computer illustration.
    Pathogenic bacteria in the blood stream — Stock Photo
    Pathogenic bacteria in the blood stream
    Human rib costal cartilage — Stock Photo
    Human rib costal cartilage
    Female scientist viewing tissue sample under microscope. — Stock Photo
    Female scientist viewing tissue sample under microscope.
    Illustration of painful neck muscles on white background. — Stock Photo
    Illustration of painful neck muscles on white background.
    Human skeletal system — Stock Photo
    Human skeletal system
    Female silhouette with visible internal organs, digital illustration. — Stock Photo
    Female silhouette with visible internal organs, digital illustration.
    Human hip bones anatomy — Stock Photo
    Human hip bones anatomy
    Human thyroid gland — Stock Photo
    Human thyroid gland
    Human skeletal system — Stock Photo
    Human skeletal system
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Human vein showing tissue stratification — Stock Photo
    Human vein showing tissue stratification
    Realistic digital illustration showing arthritis in human knee. — Stock Photo
    Realistic digital illustration showing arthritis in human knee.
    Localization of pain in shoulder joint — Stock Photo
    Localization of pain in shoulder joint
    Internal organs and digestive system — Stock Photo
    Internal organs and digestive system
    Thyroid gland tumour, computer illustration. — Stock Photo
    Thyroid gland tumour, computer illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Human sperm approaching egg cell — Stock Photo
    Human sperm approaching egg cell