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The central nervous system (CNS) is the part of the nervous system consisting primarily of the brain, spinal cord and retina.The CNS is so named because the brain integrates the received information and coordinates and influences the activity of all parts of the bodies of bilaterally symmetric and triploblastic animals—that is, all multicellular animals except sponges and diploblasts.
The following diagram is provided as an overview of and topical guide to the human nervous system: Human nervous system. Human nervous system – the part of the human body that coordinates a person's voluntary and involuntary actions and transmits signals between different parts of the body.
A very important type of glial cell (oligodendrocytes in the central nervous system, and Schwann cells in the peripheral nervous system) generates layers of a fatty substance called myelin that wraps around axons and provides electrical insulation which allows them to transmit action potentials much more rapidly and efficiently. Recent findings ...
In 2007, sculptures of Severo Ochoa and Santiago Ramón y Cajal created by Víctor Ochoa were unveiled at the Spanish National Research Council central headquarters in Madrid, Spain. [37] Santiago Ramón y Cajal Museum, Ayerbe, Huesca, Spain opened in 2013 and is located in Cajal's childhood home, where he lived with his family for ten years. [38]
Degenerative spinal disorders involve a loss of function in the spine. Pressure on the spinal cord and nerves may be associated with herniation or disc displacement. Brain degeneration also causes central nervous system diseases (i.e. Alzheimer's, Lewy body dementia, Parkinson's, and Huntington's diseases).
A winter storm is set to spread a wintry mess of snow and ice across the southern U.S.
Thanks for sticking with us. It’s been a long couple of weeks, and you folks have come in here in the snow, in the rain, in the ice and even during the Polar Vortex, and we are grateful for your service.
Infections of the central nervous system (CNS) consist of infections primarily of the brain and spinal cord. They include mostly viral infections, less commonly bacterial infections, fungal infections, prion diseases and protozoan infections. Neonatal meningitis is a particular classification by age.