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Helix Human DNA Structure Blue Image Black Background
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Microscopic images of viral cells and bacterial molecules
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Microscopic images of viral cells and bacterial molecules
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Illustration showing the upper half of a man with transparent skin revealing the lungs affected by pneumonia by KATERYNA KONSCIENCE PHOTO LIBRARY
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Illustration showing the upper half of a man with transparent skin revealing the lungs affected by pneumonia and close-up of Klebsiella pneumoniae b
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Illustration showing the upper half of a man with transparent skin revealing the lungs affected by pneumonia and close-up of Klebsiella pneumoniae b
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Richard Owen Portrait of Sir Richard Owen (1804- 1892) the British zoologist who coined the word dinosaur Owen graduated in medicine but soon bec
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Brain health by Oleksandr Latkun
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Human stem cell conceptual illustration by ART4STOCKSCIENCE PHOTO LIBRARY
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Human stem cell conceptual illustration by ART4STOCKSCIENCE PHOTO LIBRARY
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Human stem cell conceptual illustration by ART4STOCKSCIENCE PHOTO LIBRARY
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Human stem cells conceptual illustration by ART4STOCKSCIENCE PHOTO LIBRARY
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Human stem cell conceptual illustration
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Hand holding large wood grubs which provide food for birds such as woodpeckers in the White River National Wildlife Refuge Arkansas USA; Arkansas
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Aelius Galenus or Claudius Galenus (September AD 129 - 199217; Greek Galēnos better known as Galen of Pergamon (modern-day Arguably the
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Cerebral aqueduct illustration
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Colored ground print 715
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colored ground print 718
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Amphibian team inspects a Giant earthworm (Megascolides australis) in Reserva Las Gralarias Ecuador; Mindo Pichincha Ecuador by Joel Sartore Photo
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Freshwater diatoms of various species; United States by Darlyne Murawski Design Pics
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A detail showing a brown bears paws and claws (Ursus arctos) while he is tranquilized to be radio-collared by state biologists; Tongass National Fore
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Illustration of a junction or synapse between two nerve cells (neurons) As the electrical signal (arrow) reaches the presynaptic end (upper centre)
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Illustration of a junction or synapse between two nerve cells (neurons) As the electrical signal reaches the presynaptic end of a neuron it trigger
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Nerve cell (neuron) illustration Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the res
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Aelius Galenus or Claudius Galenus (September 129 - 199217 CE) better known as Galen of Pergamon (modern-day Bergama Turkey) was a prominent Roman
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Nerve cell (neuron) illustration Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the res
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Nerve cell (neuron) illustration Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the res
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Neuron (nerve cell) axon anatomy illustration Neurons are responsible for passing information around the central nervous system (CNS) and from the C
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Nerve cell (neuron) illustration Neurons are responsible for passing information around the central nervous system (CNS) and from the CNS to the res
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Neuron (nerve cell) axon anatomy illustration Neurons are responsible for passing information around the central nervous system (CNS) and from the C
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Hip pain conceptual illustration by PIKOVIT SCIENCE PHOTO LIBRARY
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Hair loss process conceptual illustration by ART4STOCKSCIENCE PHOTO LIBRARY
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Hair loss process conceptual illustration by ART4STOCKSCIENCE PHOTO LIBRARY
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Diverse male teacher and elementary schoolchildren studying skeleton in biology class Education inclusivity elementary school and learning concept
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Aelius Galenus or Claudius Galenus (September AD 129 - 199217; Greek Galēnos better known as Galen of Pergamon (modern-day Arguably the
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Diverse male teacher and elementary schoolchildren studying skeleton in biology class Education inclusivity elementary school and learning concept
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Vertical of diverse male teacher and schoolchildren studying skeleton in biology class copy space Education inclusivity elementary school and lear
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Diverse male teacher and elementary schoolchildren studying skeleton in biology class Education inclusivity elementary school and learning concept
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Diverse male teacher and elementary schoolchildren studying skeleton in biology class Education inclusivity elementary school and learning concept
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Diverse male teacher and elementary schoolchildren studying skeleton in biology class Education inclusivity elementary school and learning concept
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Diverse male teacher and elementary schoolchildren studying skeleton in biology class Education inclusivity elementary school and learning concept
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Vertical of diverse male teacher and schoolchildren studying skeleton in biology class copy space Education inclusivity elementary school and lear
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Vertical of diverse male teacher and schoolchildren studying skeleton in biology class copy space Education inclusivity elementary school and lear
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Diverse male teacher and elementary schoolchildren studying skeleton in biology class Education inclusivity elementary school and learning concept
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Aelius Galenus or Claudius Galenus (September AD 129 - 199217; Greek Galēnos from adjective calm) better known as Arguably t
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Diverse male teacher and elementary schoolchildren studying skeleton in biology class Education inclusivity elementary school and learning concept
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Vesicles such as lysosomes and peroxisomes in an animal cell illustration by ARTUR PLAWGO SCIENCE PHOTO LIBRARY
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Mitochondrion in an animal cell computer illustration by ARTUR PLAWGO SCIENCE PHOTO LIBRARY
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Golgi apparatus in an animal cell computer illustration by ARTUR PLAWGO SCIENCE PHOTO LIBRARY
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Microscopy photography Testis seminiferous tubules cross section
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micrograph of ovary showing primordial primary and secondary follicles isolated on white background
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Microscopy photography Testis seminiferous tubules cross section
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Microscope photography Spinal cord cross section
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Microscope photo of parasitic nematode worm (Ascaris sp) cross section by ZoonarDAVID HERRAEZ
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Engraving of Theodor Schwann (1810-82) German biologist After completing his medical training in 1834 Schwann went into research Almost immediatel
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Grasshopper meiosis
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Microscopic photography Mosquito head and mouth
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Microscopic photography House fly mouthpart and head
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Microscopic photography Grasshopper meiosis
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Association between thyroid diseases and obesity Conceptual computer illustration depicting an overweight patient with their thyroid gland by KATER
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Association between thyroid diseases and obesity Conceptual computer illustration depicting an overweight patient with their thyroid gland by KATER
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Association between thyroid diseases and obesity Conceptual computer illustration depicting an overweight patient with their thyroid gland by KATER
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Association between autoimmune thyroid disease and obesity Computer illustration showing an overweight patient with his thyroid gland being attacked
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Association between autoimmune thyroid disease and obesity Computer illustration showing an overweight patient with his thyroid gland being attacked
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Male body sectioned Side view of the male human body in natural colours sliced through to show internal anatomy This is part of the Visible Human P
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Association between autoimmune thyroid disease and obesity Computer illustration showing an overweight patient with his thyroid gland being attacked
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Association between autoimmune thyroid disease and obesity Computer illustration showing an overweight patient with his thyroid gland being attacked
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Association between autoimmune thyroid disease and obesity Computer illustration showing an overweight patient with his thyroid gland being attacked
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Atherosclerosis in a fatty heart of an overweight person Conceptual computer illustration showing the build-up of atheromatous plaque inside an arter
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Atherosclerosis in a fatty heart of an overweight person Conceptual computer illustration showing the build-up of atheromatous plaque inside an arter
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Atherosclerosis in a fatty heart of an overweight person Conceptual computer illustration showing the build-up of atheromatous plaque inside an arter
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Scan of the human brain reflected in researching doctors eyeglasses
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Scan of the human brain reflected in researching doctors eyeglasses
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Male body sectioned Computer coloured front view of the male human body sliced through to show internal anatomy This is part of the Visible Human P
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Illustration showing a front and side view comparison of a normal eye (top) and an eye with strabismus or a squint by JOE BROCK RESEARCH ILLUSTRAT
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Illustration showing the anatomy of human skin The skin layers include an outer layer of dead skin cells (stratum corneum) below which is the epider
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Normal eye and strabismus illustration
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Illustration of the internal structure of the eye showing retinal detachment The retina is the light sensitive membrane at the back of the eyeball I
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Retinal detachment illustration
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Macular degeneration illustration
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Macular degeneration illustration
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Normal eye and eye with cataract illustration
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Normal eye and eye with cataract illustration
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Andreas Vesalius (1514-1564) the Belgian anatomist who founded modern anatomy The son of a pharmacist he was made professor of anatomy and surgery
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Normal eye and eye with cataract illustration
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Normal eye and eye with cataract illustration
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Normal eye and eye with glaucoma illustration
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Healthy eye and diabetic retinopathy illustration
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Healthy eye and diabetic retinopathy illustration
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Normal eye and amblyopia illustration
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Normal eye and amblyopia illustration
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Finger transplant conceptual image by DIGICOMPHOTOSCIENCE PHOTO LIBRARY
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Zebrafish embryo light micrograph
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Portrait of Marcello Malpighi (1628-94) Italian biologist and inventor of the microscope Following the theories of Galileo Malpighi was the first t
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