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3D coloured computed tomography (CT) scan of the heart (centre-left) and aorta (main artery large red tube descending from heart) showing aortic dis
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3D coloured computed tomography (CT) scan of the heart (top) kidneys (left and right centre) and aorta (main artery large red tube descending from h
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Aortic dissection CT scan
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Aortic dissection CT scan
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Epididymis TEM
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Epididymis TEM
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Influenza B SEM
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Influenza B SEM
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Influenza B SEM
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What lies at the bottom of Hyperions strange craters Nobodys sure To help find out the robot Cassini spacecraft now orbiting Saturn swooped past t
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Influenza B SEM
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Influenza B SEM
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Influenza B SEM
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Influenza B SEM
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Influenza B SEM
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Influenza B SEM
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Flu SEM
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Flu SEM
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Flu SEM
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False-colour scanning electron micrograph (SEM) showing the attachment of several anaerobic spirochaete bacteria Treponema pallidum to testicular ce
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Influenza B virus SEM
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Influenza B virus SEM
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Influenza B virus SEM
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Influenza B virus SEM
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Endomycorrhiza in blueberry root SEM
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Colon SEM
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Colon SEM
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Colon SEM
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Kidney stone SEM
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False-colour scanning electron micrograph of pollen grains of Common Mallow Malva sylvestris The grains are spherical about 108 micrometres across
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Kidney stone SEM
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Kidney stone SEM
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Kidney stone SEM
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Black fly larva SEM
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Black fly larva SEM
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Black fly larva SEM
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Black fly larva SEM
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Colon SEM
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Colon SEM
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False colour scanning electron micrograph of many pollen grains of a Colts foot Tussilago farfara Its outer wall (exine) consists of sharp spines; t
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Colon SEM
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Blood cells SEM
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Blood cells SEM
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Blood cells SEM
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Blood cells SEM
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Blood cells SEM
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Blood cells SEM
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Blood cells SEM
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Blood cells SEM
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False-colour gamma camera scan (scintigram) showing the blood circulation in both normal human lungs (anterior view) The image is a map of the distri
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Pollen trapped in mucus on nose hair SEM
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Pollen trapped in mucus on nose hair SEM
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Pollen trapped in mucus on nose hair SEM
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Pollen trapped in mucus on nose hair SEM
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False moorish idol fish Shoal of false moorish idol fish (Heniochus diphreutes) over a coral reef These fish generally inhabit seaward reef slopes i
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False moorish idol fish Shoal of false moorish idol fish (Heniochus diphreutes) over a coral reef These fish generally inhabit seaward reef slopes i
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Madagascan day moth wing
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Ant mouthparts Coloured scanning electron micrograph (SEM) of the mouthparts of an ant (family Formicidae) The powerful mandibles (jaws centre and
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Breathing tube on a fruit flys pupa coloured scanning electron micrograph (SEM) This structure is called a spiracle This fruit fly is Drosophila m
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Brain in skull False-colour three-dimensional computed tomography (CT) scan of the top of the human brain seen within the skull The right cerebral h
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Breathing tube on a fruit flys pupa SEM
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Fluke in sheeps liver light micrograph
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Normal intestines Coloured 3D computed tomography (CT) scan of the abdomen of a 53 year old patient showing healthy intestines (brown) The intestin
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False-colour scanning electron micrograph (SEM) of a goblet cell (at centre) with microvilli (tiny bumps) on a villus in the small intestine As a si
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Retina light micrograph
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Red blood cells SEM
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Human spinal nerve Coloured scanning electron micrograph (SEM) of section through a human spinal nerve The nerve is composed of numerous bundles of
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Red blood cells coloured scanning electron micrograph (SEM) Red blood cells (erythrocytes) are biconcave giving them a large surface area for gas e
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Red blood cells coloured scanning electron micrograph (SEM) Red blood cells (erythrocytes) are biconcave giving them a large surface area for gas e
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False-colour X-ray of the face of a person suffering from sinusitis an inflammation of one of the paranasal sinuses In this case one of the maxillar
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Red blood cells SEM
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Red blood cells coloured scanning electron micrograph (SEM) Red blood cells (erythrocytes) are biconcave giving them a large surface area for gas e
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Red blood cells coloured scanning electron micrograph (SEM) Red blood cells (erythrocytes) are biconcave giving them a large surface area for gas e
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Red blood cells SEM
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Red blood cells SEM
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Red blood cells coloured scanning electron micrograph (SEM) The main function of red blood cells (erythrocytes) is to distribute oxygen to body tiss
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Red blood cells Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes) Red blood cells are biconcave giving them a lar
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Blood cells Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes) and a single white blood cell (leucocyte) Red blood
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Red blood cells AFM
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Voyager 2 spacecraft false-colour image of the planet Neptune taken during August 1989 when Voyager passed within 5 000 km of Neptunes north pole
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Red blood cells Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes) Red blood cells are biconcave giving them a lar
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Red blood cells Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes) Red blood cells are biconcave giving them a large sur
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Red blood cells Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes) Red blood cells are biconcave giving them a lar
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Red blood cells Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes) Red blood cells are biconcave giving them a lar
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Red blood cells Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes) Red blood cells are biconcave giving them a lar
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Red blood cells Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes) Red blood cells are biconcave giving them a lar
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Red blood cells Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes) in a blood vessel in skin from a foreskin Red bl
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Red blood cell Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte) A red blood cell is biconcave giving it a large
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Red blood cell Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte) A red blood cell is biconcave giving it a large
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False door of Tjetji and his wife Debet Limestone Fourth or Fifth Dynasty about 2500-2400 BC From the tomb of Tjetji at Giza This door comes from
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Red blood cells Coloured scanning electron micrograph (SEM) of human red blood cells (erythrocytes) in a blood vessel Red blood cells are biconcave
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Capillaries Coloured scanning electron micrograph (SEM) of a network of capillaries from striated (skeletal) muscle Capillaries are the smallest blo
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Blood vessels Coloured scanning electron micrograph (SEM) of a resin cast of blood vessels from the small intestine This network of vessels infiltra
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Blood vessels from the small intestine coloured scanning electron micrograph (SEM) At left are the larger vessels of the outer wall of the intestine
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Blood vessels of the small intestine coloured scanning electron micrograph (SEM) Large blood vessels (bottom) supply the intestine and encircle its
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Interior of a bone SEM
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Interior of a bone SEM
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Swallowed coin X-ray
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Stroke angiogram
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False door of Tjetji and his wife Debet Limestone Fourth or Fifth Dynasty about 2500-2400 BC From the tomb of Tjetji at Giza This door comes from
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