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  2. 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 ...

  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. Nerve injury classification - Wikipedia

    en.wikipedia.org/wiki/Nerve_Injury_Classification

    [5] Other characteristics: distal Wallerian degeneration; distal sensory and motor deficits; nerve conduction distal to the site of injury (3 to 4 days after injury) absent; fibrillation potentials (FP), and positive, sharp EMG waves (2 to 3 weeks post injury).

  5. 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.

  6. Grading of the tumors of the central nervous system - Wikipedia

    en.wikipedia.org/wiki/Grading_of_the_tumors_of...

    The St Anne-Mayo grading system [5] [7] [8] also is used to grade astrocytomas; however, this system uses four morphologic criteria to assign a grade: [9] a) nuclear atypia, b) mitosis, c) endothelial proliferation-'piled-up' endothelial cells. NOT hypervascularity. d) necrosis. The St. Anne-Mayo grade has four categories of tumors: [citation ...

  7. Human brain - Wikipedia

    en.wikipedia.org/wiki/Human_brain

    The brain is the central organ of the human nervous system, and with the spinal cord, comprises the central nervous system. It consists of the cerebrum, the brainstem and the cerebellum. The brain controls most of the activities of the body, processing, integrating, and coordinating the information it receives from the sensory nervous system ...

  8. Trigeminal nerve - Wikipedia

    en.wikipedia.org/wiki/Trigeminal_nerve

    [5] Although sensory pathways are often depicted as chains of individual neurons connected in series, this is an oversimplification. Sensory information is processed and modified at each level in the chain by interneurons and input from other areas of the nervous system.

  9. 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

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