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    Female abdominal vascular system, computer illustration. — Stock Photo
    Female abdominal vascular system, computer illustration.
    Vascular system of healthy adult — Stock Photo
    Vascular system of healthy adult
    Male lymphatic system of neck and skull, computer illustration. — Stock Photo
    Male lymphatic system of neck and skull, computer illustration.
    Illustration of female silhouette with highlighted heart. — Stock Photo
    Illustration of female silhouette with highlighted heart.
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Female body with visible vascular system, digital illustration. — Stock Photo
    Female body with visible vascular system, digital illustration.
    Cardiovascular system in female body, digital illustration. — Stock Photo
    Cardiovascular system in female body, digital illustration.
    Illustration of metal artificial heart on white background. — Stock Photo
    Illustration of metal artificial heart on white background.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    3d rendered illustration of male cyclist heart while biking on black background. — Stock Photo
    3d rendered illustration of male cyclist heart while biking on black background.
    Head anatomy, computer illustration — Stock Photo
    Head anatomy, computer illustration
    Male head and neck anatomy and musculature, digital illustration. — Stock Photo
    Male head and neck anatomy and musculature, digital illustration.
    Illustration of transparent blue silhouette of male body with colored heart. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored heart.
    Healthy female vascular system, computer illustration — Stock Photo
    Healthy female vascular system, computer illustration
    3d illustration of constricted and narrowed artery while arteriosclerosis. — Stock Photo
    3d illustration of constricted and narrowed artery while arteriosclerosis.
    Female body showing skeleton and lymphatic system, digital illustration. — Stock Photo
    Female body showing skeleton and lymphatic system, digital illustration.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Female upper body lymphatic system, computer illustration. — Stock Photo
    Female upper body lymphatic system, computer illustration.
    Human upper body blood vessels, digital illustration. — Stock Photo
    Human upper body blood vessels, digital illustration.
    Illustration of human silhouette with painful heart. — Stock Photo
    Illustration of human silhouette with painful heart.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Vascular system of human head, computer illustration. — Stock Photo
    Vascular system of human head, computer illustration.
    Illustration of senior woman silhouette with colored heart on black background. — Stock Photo
    Illustration of senior woman silhouette with colored heart on black background.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes).
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    Anatomical male model showing lymphatic system, digital illustration. — Stock Photo
    Anatomical male model showing lymphatic system, digital illustration.
    Female anatomy showing heart in transparent body silhouette, computer illustration. — Stock Photo
    Female anatomy showing heart in transparent body silhouette, computer illustration.
    Anatomy of throat of woman, digital illustration. — Stock Photo
    Anatomy of throat of woman, digital illustration.
    Human body model showing male anatomy and blood vessels, digital illustration. — Stock Photo
    Human body model showing male anatomy and blood vessels, digital illustration.
    Medical illustration of fat inside of human artery. — Stock Photo
    Medical illustration of fat inside of human artery.
    Blood vessels of human shoulder, digital illustration. — Stock Photo
    Blood vessels of human shoulder, digital illustration.
    Blood vessels of foot, computer illustration — Stock Photo
    Blood vessels of foot, computer illustration
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Macrophage foam cells with lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells with lipid droplets, digital illustration.
    3d rendered illustration of highlighted female heart. — Stock Photo
    3d rendered illustration of highlighted female heart.
    Medical illustration of blocked artery disorder. — Stock Photo
    Medical illustration of blocked artery disorder.
    Blood vessels of the head, computer illustration — Stock Photo
    Blood vessels of the head, computer illustration
    Cardiovascular system in normal male body, computer illustration. — Stock Photo
    Cardiovascular system in normal male body, computer illustration.
    Digital illustration of senior man anatomy showing heart. — Stock Photo
    Digital illustration of senior man anatomy showing heart.
    Female anatomical body with visible lymphatic system, computer illustration. — Stock Photo
    Female anatomical body with visible lymphatic system, computer illustration.
    Human heart anatomy — Stock Photo
    Human heart anatomy
    Male back anatomy and skeletal system, computer illustration. — Stock Photo
    Male back anatomy and skeletal system, computer illustration.
    Illustration of female silhouette with painful heart. — Stock Photo
    Illustration of female silhouette with painful heart.
    Heart anatomy in male thorax, computer illustration. — Stock Photo
    Heart anatomy in male thorax, computer illustration.
    Full dog anatomy with internal organs and skeleton, digital illustration. — Stock Photo
    Full dog anatomy with internal organs and skeleton, digital illustration.
    Pelvic anatomy, computer illustration — Stock Photo
    Pelvic anatomy, computer illustration
    Male body silhouette showing heart anatomy, computer illustration. — Stock Photo
    Male body silhouette showing heart anatomy, computer illustration.
    Blood supply of human arm — Stock Photo
    Blood supply of human arm
    Thorax anatomy, computer illustration — Stock Photo
    Thorax anatomy, computer illustration
    Red human heart on black background, computer illustration. — Stock Photo
    Red human heart on black background, computer illustration.
    Medical illustration of blocked artery disorder. — Stock Photo
    Medical illustration of blocked artery disorder.
    Female silhouette showing heart anatomy, computer illustration. — Stock Photo
    Female silhouette showing heart anatomy, computer illustration.
    Abstract male body with visible lymphatic system, digital illustration. — Stock Photo
    Abstract male body with visible lymphatic system, digital illustration.
    Illustration of human heart in body silhouette. — Stock Photo
    Illustration of human heart in body silhouette.
    Healthy cardiovascular system — Stock Photo
    Healthy cardiovascular system
    Blood vessels of the knee, computer illustration — Stock Photo
    Blood vessels of the knee, computer illustration
    Blood clot structure — Stock Photo
    Blood clot structure