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Multiple sclerosis, SEM
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Multiple sclerosis, SEM
Multiple sclerosis. Coloured scanning electron micrograph (SEM) of microglial cells (round) ingesting oligodendrocytes (branched). This is the process thought to occur in multiple sclerosis (MS). Oligodendrocytes form insulating myelin sheaths around nerve axons in the central nervous system. Microglia normally ingest cell debris and bacteria as part of the bodys immune response. In MS they attack oligodendrocytes, possibly triggered by a virus in people with hereditary susceptibility. Destruction of myelin sheaths leads to loss of nerve function. Symptoms include unsteady gait, visual and speech defects, and paralysis. Magnification: x670 when 10cm wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6414940
© DR JOHN ZAJICEK/SCIENCE PHOTO LIBRARY
Central Nervous System Cytological Cytology Degenerative Demyelination Ingesting Macrophage Microglia Multiple Sclerosis Myelin Sheath Neural Oligodendrocyte Oligodendrocytes Pathological Pathology Phagocyte Phagocytic Phagocytosis Abnormal Cells Condition Disorder Ingestion Neurological Neurology Unhealthy
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