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Confocal light micrograph of two macrophages in the precursor to skin tissue in an African clawed frog embryo (Xenopus laevis) The cells are stained
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Lattice light-sheet micrograph showing the normal development of a population of embryonic macrophages inside a living African clawed frog embryo (Xen
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Light micrograph of an embryonic eye showing from bottom to top developing lens with lens fibres and anterior columnar simple epithelium Above the
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Rat embryos from 15 to 21 days by JOSE CALVO SCIENCE PHOTO LIBRARY
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Light micrograph of a frontal section of the head of an embryo showing from top to bottom; skin with developing hair bulbs nasal cavities with the L
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Vasculogenesis in a rat embryo light micrograph Large blood vessels lined only by endothelium and full of blood cells are developing in the mesenchy
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Light micrograph showing the developing cerebral cortex of a rat embryo From the pial surface the following layers can be seen; marginal zone corti
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Light micrograph showing the olfactory nerve fibres coming from the olfactory bulb (top) passing through holes in the developing ethmoid (cribriform p
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Light micrograph of the cross-sectioned olfactory bulb of a rat embryo It shows a small central lumen surrounded by a ventricular proliferating layer
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James Thomson Portrait of James Thomson developmental biologist at the University of Wisconsin-Madison USA In 1998 his research group reported th
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Rat embryo head light micrograph
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Illustration of various plant cells and tissues from Principles of Scientific Botany published in 1849 by the German botanist Jakob Matthias Schleiden
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Illustration of various types of embryonic plant cells and tissues from Beitrage zur Botanik (Contributions to Botany) published in 1844 by the German
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Ultimobranchial body remnant light micrograph
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Embryo and foetal development 19th century illustration
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Embryonic spinal cord light micrograph
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Monocot plant variety illustration Monocots are a group of flowering plants (angiosperms) that have one embryonic leaf (cotyledon) as seen on the s
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Monocot plant variety illustration Monocots are a group of flowering plants (angiosperms) that have one embryonic leaf (cotyledon) by LIZZIE HARPE
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Illustration comparing monocot (left) and eudicot (right) seedlings Monocots have one embryonic leaf (cotyledon) while eudicots have two by LIZZIE
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The First United Nations Conference on the Human Environment was held in Stockholm Sweden from June 5 1972 with the participation of representativ
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Eudicot plant variety illustration Eudicots are a group of flowering plants (angiosperms) that have three pores or grooves in their pollen grains an
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Embryo at 7 weeks ultrasound scan
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Embryo at 6 weeks ultrasound scan
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Embryo at week 7 illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryo at week 6 illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryo at week 5 illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryo at week 4 illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryo in the womb illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryonic vertebral column illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Schleiden Matthias Jacob (Hamburg 1804-Frankfurt am Main 1881) German botanist His research on embryonic stem cells opened the way for the Schwan
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Embryonic nervous system illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryonic cardiovascular system illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryo in the womb illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Organs of 10 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Nervous system of 10 week foetus illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Cardiovascular system of 10 week foetus illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Foetus at 10 weeks illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Foetus at 8 weeks illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Skeletal system of 8 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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IVF treatment Technician using a micro-needle (at right on screen) to inject human sperm into a human egg cell The petri dish containing the egg c
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Nervous system of 8 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Cardiovascular system of 8 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Nervous system of 7 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Skeletal system of 7 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Cardiovascular system of 7 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Foetus at 7 weeks old illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Vertebra of 6 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Nervous system of 6 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Cardiovascular system of 6 week embryo illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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IVF treatment Technician using a micro-neeedle to inject human sperm into a human egg cell The petri dish containing the egg cell is on the platform
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Embryo at 6 weeks of gestation illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryo at 3 weeks of gestation illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryo at 2 weeks of gestation illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Embryo at first week gestation illustration by SEBASTIAN KAULITZKISCIENCE PHOTO LIBRARY
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Viral Apoptosis SEM
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HIV SEM
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HIV SEM
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HIV SEM
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HIV SEM
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Embryonic stem cells Confocal light micrograph of dividing stem cells from the ventricular zone of the retina of a developing embryo The ventricular
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Viral Apoptosis SEM
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HIV SEM
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HIV SEM
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Viral Apoptosis 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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Stem cell coloured scanning electron micrograph (SEM) Stem cells can differentiate into any other cell type There are three main types of mammalian
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Influenza B SEM
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Influenza B SEM
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Bird flu SEM
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Bird flu SEM
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Influenza B SEM
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Influenza B SEM
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Bird flu SEM
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Bird flu SEM
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Flu SEM
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Stem cells coloured scanning electron micrograph (SEM) Stem cells can differentiate into any other cell type There are three main types of mammalia
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Flu SEM
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Aussie flu SEM
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Avian flu SEM
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Aussie flu SEM
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Aussie flu SEM
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Avian flu SEM
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Flu SEM
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Avian flu SEM
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Illustration of the transient receptor potential cation channel subfamily M member 7 (TRPM7) in its open (top left) and closed (top right) configur
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Stem cells Light micrograph of cultured stem cells with some cells dividing (at centre) Stem cells are the precursors to all cells in the body In
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Developing tooth SEM
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Developing tooth SEM
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Developing tooth SEM
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Unerupted tooth SEM
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Bone formation SEM
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Bone formation SEM
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Bone formation SEM
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Embryonic olfactory tissue SEM
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Embryonic olfactory tissue SEM
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Stem cell coloured scanning electron micrograph (SEM) Stem cells can differentiate into any other cell type There are three main types of mammalian
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