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Dyssomnia is a broad type of sleep disorders involving difficulty falling or remaining asleep, which can lead to excessive sleepiness during the day due to the reduced quantity, quality or timing of sleep. This is distinct from parasomnias, which involves abnormal behavior of the nervous system during sleep. Symptoms indicative a dyssomnia sleep disorder may include difficulty falling asleep, intermittent […]
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Skip to: Astrocytes Oligodendrocytes and NG2 Cells Microglia Other Functions Summary Glial cells are non-neuronal cells found within the brain and the rest of the nervous system. There are approximately 60 billion glia to 16 billion neurons within the cortex, but only 16 billion glia to 69 billion neurons in the cerebellum. Overall, there are roughly the same number of […]
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Skip to: What is arthritis? The severity and prevalence of arthritis related to age Psoriatic arthritis Rheumatoid nodules and vasculitis Arthritis is a condition of joint inflammation. Several types of arthritis exist, with some involving the skin, immune system, and blood vessels. What is arthritis? Arthritis is a term used for inflammation of the joints, the tissues surrounding the […]
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Skip to: What is botulism? How is botulism is diagnosed? How is botulism treated? What are the preventive measures? Botulism is a rare but fatal disease caused by botulinum toxins released from Clostridium botulinum bacteria. Botulism is categorized into five different forms: foodborne botulism, wound botulism, infant botulism, inhalation botulism, and iatrogenic botulism. Clostridium botulinum gram stain. Image Credit: Patiyurh […]
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