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Related Concept Videos

Nervous System01:21

Nervous System

3.8K
The nervous system coordinates body functions through its complex network of nerve cells, enabling sensation and movement. It is divided into two primary parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and the spinal cord. The brain acts as the body's control center, processing sensory information and coordinating responses. The spinal cord functions as a major signaling pathway for the brain and the rest of the body.
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What is a Nervous System?01:25

What is a Nervous System?

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Overview
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Organization of the Nervous System01:13

Organization of the Nervous System

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The nervous system is one of the most complex systems in our body. It is organized into two main divisions: the central nervous system (CNS) and the peripheral nervous system (PNS).
The CNS, comprising the brain and spinal cord, houses billions of neurons. The brain is housed in the skull, while the spinal cord is linked to the brain through the foramen magnum of the occipital bone and is surrounded by the protective structure of the vertebral column. It is responsible for processing various...
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Functional Divisions of the Nervous System01:23

Functional Divisions of the Nervous System

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The nervous system, responsible for sensing, integrating, and responding to various stimuli, is divided into the central nervous system (CNS) and the peripheral nervous system (PNS). The PNS has two functional divisions: the sensory or afferent division and the motor or efferent division.
The sensory division transmits information from sensory receptors in the body to the CNS. It provides the CNS with knowledge about somatic senses (such as tactile, thermal, pain, and proprioceptive sensations)...
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Autonomic Nervous System: Overview01:26

Autonomic Nervous System: Overview

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The human nervous system is divided into two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is composed of the brain and spinal cord, while the PNS contains nerve cells, clusters of nerve cells, and the sensory receptors that are outside the CNS. The PNS has two types of nerve cells: sensory (afferent) and motor (efferent). Sensory cells send signals to the CNS from receptors, and motor cells carry signals from the CNS to organs, muscles, and...
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Peripheral Nervous System: Ganglia and Nerves01:24

Peripheral Nervous System: Ganglia and Nerves

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The Peripheral Nervous System (PNS) is a crucial component of the body's neural network, extending beyond the central nervous system (CNS) to bridge the gap between the CNS and the external environment. It encompasses nerves, ganglia, and sensory receptors.
Nerves
The nerve is a bundle of axons that serves as the communication highway in the PNS. Each nerve is ensheathed in a protective layer of connective tissue called the epineurium. This outermost layer safeguards the nerve and supports the...
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Designing and Implementing Nervous System Simulations on LEGO Robots
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Nervous system: part 2.

Charles Hendry1, Alistair Farley, Ella McLafferty

  • 1School of Nursing and Midwifery, University of Dundee, Dundee, Scotland.

Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
|April 10, 2014
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Summary
This summary is machine-generated.

This article details the brain's major divisions and functions, exploring protective structures like meninges and cerebrospinal fluid. It also covers neuroglia (glial cells) and briefly touches on dementia as a central nervous system disorder.

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Area of Science:

  • Neuroscience
  • Life Sciences
  • Central Nervous System

Background:

  • The nervous system is complex, with the brain and spinal cord as central components.
  • Understanding brain structure and function is crucial for neuroscience.
  • Protective mechanisms for the central nervous system are vital for its integrity.

Purpose of the Study:

  • To explore the major divisions and functions of the brain.
  • To examine the protective structures of the brain and spinal cord.
  • To describe neuroglia (glial cells) and their role in brain tissue.
  • To briefly discuss dementia as an example of a central nervous system disorder.

Main Methods:

  • Review of anatomical and functional aspects of the brain.
  • Examination of protective layers: cranial/vertebral bones, meninges, cerebrospinal fluid.
  • Description of neuroglia (glial cells).
  • Brief clinical case study of dementia.

Main Results:

  • The brain is divided into major functional regions.
  • The central nervous system is protected by bone, meninges, and cerebrospinal fluid.
  • Neuroglia are essential components of brain tissue.
  • Dementia illustrates the impact of central nervous system disorders.

Conclusions:

  • The brain's structure is intricately linked to its diverse functions.
  • Robust protective systems safeguard the delicate central nervous system.
  • Neuroglia play a significant role in brain health and function.
  • Central nervous system disorders like dementia have profound effects.