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    Half of beetroot on white background. — Stock Photo
    Half of beetroot on white background.
    Medical illustration of fetus in the womb with labels — Stock Photo
    Medical illustration of fetus in the womb with labels
    Medical illustration of carpal tunnel syndrome in the human wrist — Stock Photo
    Medical illustration of carpal tunnel syndrome in the human wrist
    Longitudinal section of human foot in a sagittal plane — Stock Photo
    Longitudinal section of human foot in a sagittal plane
    Microscopic cross section view of HIV virus — Stock Photo
    Microscopic cross section view of HIV virus
    Medical ilustration of a pilonidal cyst near the natal cleft of the buttocks — Stock Photo
    Medical ilustration of a pilonidal cyst near the natal cleft of the buttocks
    Anatomy of pituitary gland with labels — Stock Photo
    Anatomy of pituitary gland with labels
    Medical illustration of endolymph in the membranous labyrinth of the inner ear — Stock Photo
    Medical illustration of endolymph in the membranous labyrinth of the inner ear
    Mri scan (magnetic resonance imaging) of the human head. — Stock Photo
    Mri scan (magnetic resonance imaging) of the human head.
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Cutaway view of the human kidney and adrenal gland — Stock Photo
    Cutaway view of the human kidney and adrenal gland
    Sectional view of large intestine — Stock Photo
    Sectional view of large intestine
    Anatomy of adrenal gland on white background — Stock Photo
    Anatomy of adrenal gland on white background
    Half of passionfruit on white background. — Stock Photo
    Half of passionfruit on white background.
    Medical ilustration of gallstones in the gallbladder and the cholecystectomy — Stock Photo
    Medical ilustration of gallstones in the gallbladder and the cholecystectomy
    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).
    Anatomy of female kidneys reproductive organs — Stock Photo
    Anatomy of female kidneys reproductive organs
    Cross section of human eye on white background — Stock Photo
    Cross section of human eye on white background
    Medical illustration of human ear anatomy — Stock Photo
    Medical illustration of human ear anatomy
    Heart cutout view with pulmonary valve, mitral valve and tricuspid — Stock Photo
    Heart cutout view with pulmonary valve, mitral valve and tricuspid
    Coloured computed tomography (CT) scan of the brain of a 25 year old patient with a meningioma (blue). — Stock Photo
    Coloured computed tomography (CT) scan of the brain of a 25 year old patient with a meningioma (blue).
    Medical illustration of muscle parts, axial skeleton, veins and nerves — Stock Photo
    Medical illustration of muscle parts, axial skeleton, veins and nerves
    Medical illustration of fetus in the womb — Stock Photo
    Medical illustration of fetus in the womb
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Medical illustration of the organ of Corti anatomy — Stock Photo
    Medical illustration of the organ of Corti anatomy
    Transparent view of human body with kidneys and intestines — Stock Photo
    Transparent view of human body with kidneys and intestines
    Cross section of kidney internal anatomy — Stock Photo
    Cross section of kidney internal anatomy
    Medical illustration of the midbrain transverse section — Stock Photo
    Medical illustration of the midbrain transverse section
    Stages of star life with labels — Stock Photo
    Stages of star life with labels
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a vein in the liver, which is filled with red blood cells (erythrocytes, red).
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery. — Stock Photo
    Coloured transmission electron micrograph (TEM) of a transverse section through an artery.
    Illustration of diverticulitis in the descending colon of the human intestine — Stock Photo
    Illustration of diverticulitis in the descending colon of the human intestine
    Male reproductive system, computer illustration. — Stock Photo
    Male reproductive system, computer illustration.
    Medical illustration of the organ of Corti anatomy — Stock Photo
    Medical illustration of the organ of Corti anatomy
    Hyaline cartilage, a semi-rigid connective tissue — Stock Photo
    Hyaline cartilage, a semi-rigid connective tissue
    Anatomy of human kidney function — Stock Photo
    Anatomy of human kidney function
    Conceptual computer illustration of human brain structure shown in cross-section — Stock Photo
    Conceptual computer illustration of human brain structure shown in cross-section
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem. — Stock Photo
    Light micrograph of a cross section through a grape vine (Vitis sp.) stem.
    Conceptual image of kidneys with renal pelvis and ureter — Stock Photo
    Conceptual image of kidneys with renal pelvis and ureter
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a sectioned artery containing red blood cells (erythrocytes, red).
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.
    Anatomy of adrenal gland with labels — Stock Photo
    Anatomy of adrenal gland with labels
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a section through a foetal olfactory (smelling) sense organ known as the vomeronasal organ (VNO), or Jacobson organ.
    Human upper body with muscle parts, axial skeleton and veins — Stock Photo
    Human upper body with muscle parts, axial skeleton and veins
    Bald scalp cross-section, light micrograph. — Stock Photo
    Bald scalp cross-section, light micrograph.
    Medical illustration of carpal tunnel syndrome in the human wrist — Stock Photo
    Medical illustration of carpal tunnel syndrome in the human wrist
    Anatomy of heart interior with labels — Stock Photo
    Anatomy of heart interior with labels
    Human respiratory system, illustration. — Stock Photo
    Human respiratory system, illustration.
    Human digestive system, computer illustration. — Stock Photo
    Human digestive system, computer illustration.
    Coloured computed tomography (CT) scan of the brain of a 25 year old patient with a meningioma (blue). — Stock Photo
    Coloured computed tomography (CT) scan of the brain of a 25 year old patient with a meningioma (blue).
    Illustration of diverticulitis in the descending colon of the human intestine — Stock Photo
    Illustration of diverticulitis in the descending colon of the human intestine
    Human lungs anatomy in cross-section, illustration. — Stock Photo
    Human lungs anatomy in cross-section, illustration.
    Medical illustration of the human skin anatomy — Stock Photo
    Medical illustration of the human skin anatomy
    Coloured computed tomography (CT) scan of the brain of a 25 year old patient with a meningioma (blue). — Stock Photo
    Coloured computed tomography (CT) scan of the brain of a 25 year old patient with a meningioma (blue).
    Hepatic bile duct infected with cocidian protozoa — Stock Photo
    Hepatic bile duct infected with cocidian protozoa
    Prostate showing a concretion of secretory materials — Stock Photo
    Prostate showing a concretion of secretory materials
    Comparison of different sized kidney stones in the human kidney — Stock Photo
    Comparison of different sized kidney stones in the human kidney
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Human anatomy of deep muscles in the neck and upper back — Stock Photo
    Human anatomy of deep muscles in the neck and upper back
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left). — Stock Photo
    Light micrograph of a section through tissue showing an artery (middle ) and a vein (top left).