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    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Coloured scanning electron micrograph (SEM) of the inner lining of the stomach (gastric mucosa). — Stock Photo
    Coloured scanning electron micrograph (SEM) of the inner lining of the stomach (gastric mucosa).
    Abstract male body with detailed Gastrocnemius muscle, computer illustration. — Stock Photo
    Abstract male body with detailed Gastrocnemius muscle, computer illustration.
    Doctor using sphygmomanometer and stethoscope for measuring patient blood pressure. — Stock Photo
    Doctor using sphygmomanometer and stethoscope for measuring patient blood pressure.
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze. — Stock Photo
    Coloured scanning electron micrograph of activated platelets attached to surgical gauze.
    Physical male figure with detailed External oblique muscle, digital illustration. — Stock Photo
    Physical male figure with detailed External oblique muscle, digital illustration.
    Abstract male figure with detailed Psoas major muscle, digital illustration. — Stock Photo
    Abstract male figure with detailed Psoas major muscle, digital illustration.
    Illustration of pancreas in transparent male silhouette. — Stock Photo
    Illustration of pancreas in transparent male silhouette.
    Scanning electron micrograph of PC12 neurone in culture. — Stock Photo
    Scanning electron micrograph of PC12 neurone in culture.
    Mascagni artwork of human brain — Stock Photo
    Mascagni artwork of human brain
    Male body with visible colored Quadratus femoris muscle, computer illustration. — Stock Photo
    Male body with visible colored Quadratus femoris muscle, computer illustration.
    Physical male figure with detailed Internal oblique muscle, digital illustration. — Stock Photo
    Physical male figure with detailed Internal oblique muscle, digital illustration.
    Abstract male figure with detailed Pectineus muscle, digital illustration. — Stock Photo
    Abstract male figure with detailed Pectineus muscle, digital illustration.
    Sperm cells in seminiferous tubule — Stock Photo
    Sperm cells in seminiferous tubule
    Human fetus developing at week 8, computer illustration. — Stock Photo
    Human fetus developing at week 8, computer illustration.
    Male body with visible colored Semitendinosus muscle, computer illustration. — Stock Photo
    Male body with visible colored Semitendinosus muscle, computer illustration.
    Human fetus developing at week 26, computer illustration. — Stock Photo
    Human fetus developing at week 26, computer illustration.
    Human fetus developing at week 5, computer illustration. — Stock Photo
    Human fetus developing at week 5, computer 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.
    Abstract male figure with detailed Sartorius muscle, digital illustration. — Stock Photo
    Abstract male figure with detailed Sartorius muscle, digital illustration.
    Close-up illustration of transparent blue silhouette of male body with colored thyroid gland. — Stock Photo
    Close-up illustration of transparent blue silhouette of male body with colored thyroid gland.
    Illustration of transparent blue silhouette of male body with colored lungs. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored lungs.
    Male figure with highlighted muscles of feet, digital illustration. — Stock Photo
    Male figure with highlighted muscles of feet, digital illustration.
    Illustration of small intestine in transparent male silhouette. — Stock Photo
    Illustration of small intestine in transparent male silhouette.
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Human brain structure — Stock Photo
    Human brain structure
    PC12 neurone in culture — Stock Photo
    PC12 neurone in culture
    Male musculature in full length, rear view, digital illustration isolated on white background. — Stock Photo
    Male musculature in full length, rear view, digital illustration isolated on white background.
    Illustration of thyroid gland in transparent male silhouette. — Stock Photo
    Illustration of thyroid gland in transparent male silhouette.
    Human brain anatomy — Stock Photo
    Human brain anatomy
    Illustration of transparent blue silhouette of male body with colored bronchi. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored bronchi.
    Male body with visible colored Flexor hallucis muscle, computer illustration. — Stock Photo
    Male body with visible colored Flexor hallucis muscle, computer illustration.
    Male body with visible colored Longissimus thoracis muscle, computer illustration. — Stock Photo
    Male body with visible colored Longissimus thoracis muscle, computer illustration.
    Human fetus developing at week 21, computer illustration. — Stock Photo
    Human fetus developing at week 21, computer illustration.
    Abstract male body with detailed Flexor pollicis longus muscle, computer illustration. — Stock Photo
    Abstract male body with detailed Flexor pollicis longus muscle, computer illustration.
    Male body with visible colored Latissimus dorsi muscle, computer illustration. — Stock Photo
    Male body with visible colored Latissimus dorsi muscle, computer illustration.
    Human fetus developing at week 15, computer illustration. — Stock Photo
    Human fetus developing at week 15, computer illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Renal corpuscles in kidney, digital illustration. — Stock Photo
    Renal corpuscles in kidney, digital illustration.
    Abstract male figure with detailed Quadratus lumborum muscle, computer illustration. — Stock Photo
    Abstract male figure with detailed Quadratus lumborum muscle, computer illustration.
    Human fetus developing at week 32, computer illustration. — Stock Photo
    Human fetus developing at week 32, computer illustration.
    Illustration of liver tumour in transparent male silhouette. — Stock Photo
    Illustration of liver tumour in transparent male silhouette.
    Abstract male figure with detailed Extensor hallucis longus muscle, computer illustration. — Stock Photo
    Abstract male figure with detailed Extensor hallucis longus muscle, computer illustration.
    Human fetus developing at week 26, computer illustration. — Stock Photo
    Human fetus developing at week 26, computer illustration.
    Abstract male figure with detailed Carpi radialis brevis muscle, computer illustration. — Stock Photo
    Abstract male figure with detailed Carpi radialis brevis muscle, computer illustration.
    Healthy human brain — Stock Photo
    Healthy human brain
    Illustration of larynx in transparent male silhouette. — Stock Photo
    Illustration of larynx in transparent male silhouette.
    Abstract male figure with detailed Tibialis anterior muscle, digital illustration. — Stock Photo
    Abstract male figure with detailed Tibialis anterior muscle, digital illustration.
    Conceptual 3d illustration of unborn genetically modified foetuses trapped in transparent bubble with DNA strand. — Stock Photo
    Conceptual 3d illustration of unborn genetically modified foetuses trapped in transparent bubble with DNA strand.
    Human fetus developing at week 25, computer illustration. — Stock Photo
    Human fetus developing at week 25, computer illustration.
    Abstract male figure with detailed Piriformis muscle, computer illustration. — Stock Photo
    Abstract male figure with detailed Piriformis muscle, computer illustration.
    Male body with visible colored Back muscle, computer illustration. — Stock Photo
    Male body with visible colored Back muscle, computer illustration.
    Illustration of gallbladder in transparent male silhouette. — Stock Photo
    Illustration of gallbladder in transparent male silhouette.
    Abstract male body with detailed Rectus femoris muscle, computer illustration. — Stock Photo
    Abstract male body with detailed Rectus femoris muscle, computer illustration.
    Tetrahydrocannabinol cells binding to cannabinoid receptors, illustration — Stock Photo
    Tetrahydrocannabinol cells binding to cannabinoid receptors, illustration
    Abstract male figure with detailed Teres minor muscle, computer illustration. — Stock Photo
    Abstract male figure with detailed Teres minor muscle, computer illustration.
    Abstract male figure with detailed Vastus medialis muscle, digital illustration. — Stock Photo
    Abstract male figure with detailed Vastus medialis muscle, digital illustration.
    Human fetus developing at week 35, computer illustration. — Stock Photo
    Human fetus developing at week 35, computer illustration.
    Colored scanning electron micrograph of red blood cells. — Stock Photo
    Colored scanning electron micrograph of red blood cells.
    Human Diaphragm, computer illustration. — Stock Photo
    Human Diaphragm, computer illustration.