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  2. List of animals by number of neurons - Wikipedia

    en.wikipedia.org/wiki/List_of_animals_by_number...

    The following are two lists of animals ordered by the size of their nervous system. The first list shows number of neurons in their entire nervous system. The second list shows the number of neurons in the structure that has been found to be representative of animal intelligence. [1]

  3. Nervous system - Wikipedia

    en.wikipedia.org/wiki/Nervous_system

    The enteric nervous system functions to control the gastrointestinal system. Nerves that exit from the brain are called cranial nerves while those exiting from the spinal cord are called spinal nerves. The nervous system consists of nervous tissue which, at a cellular level, is defined by the presence of a special type of cell, called the ...

  4. Central nervous system - Wikipedia

    en.wikipedia.org/wiki/Central_nervous_system

    The central nervous system (CNS) is the part of the nervous system consisting primarily of the brain and spinal cord.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.

  5. Outline of the human nervous system - Wikipedia

    en.wikipedia.org/wiki/Outline_of_the_human...

    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. The human nervous system consists of two main parts ...

  6. Brain - Wikipedia

    en.wikipedia.org/wiki/Brain

    The field of neuroscience encompasses all approaches that seek to understand the brain and the rest of the nervous system. [8] Psychology seeks to understand mind and behavior, and neurology is the medical discipline that diagnoses and treats diseases of the nervous

  7. What to know about nervous system disease 'ataxia' - AOL

    www.aol.com/news/know-nervous-system-disease...

    As a stand-alone condition, "ataxia is a degenerative disease of the nervous system," explains Andrew Rosen, chief executive officer of the National Ataxia Foundation. There are many types ...

  8. Neuroanatomy - Wikipedia

    en.wikipedia.org/wiki/Neuroanatomy

    The vertebrate nervous system is divided into the central and peripheral nervous systems. The central nervous system (CNS) consists of the brain , retina , and spinal cord , while the peripheral nervous system (PNS) is made up of all the nerves and ganglia (packets of peripheral neurons) outside of the CNS that connect it to the rest of the body.

  9. Neuron - Wikipedia

    en.wikipedia.org/wiki/Neuron

    Neurons are the primary components of the nervous system, along with the glial cells that give them structural and metabolic support. [5] The nervous system is made up of the central nervous system, which includes the brain and spinal cord, and the peripheral nervous system, which includes the autonomic, enteric and somatic nervous systems. [6]