The Basic Anatomy and Physiology of Pain

Last updated: Mon, Apr 1, 2024

This section describes at a high level the major parts of the nervous system: the system of brain, spine, and nerves that generates pain and makes you aware of it.


Within this section...

Components of the Nervous System (Last updated: Sun, Mar 9, 2025)

Neurons and Nerves (Last updated: Mon, Apr 29, 2024)

Receptor Endings (Last updated: Mon, Apr 29, 2024)

Pain Processing in the Central Nervous System (Last updated: Tue, Feb 11, 2025)

A Complex Nervous System (Last updated: Sat, Feb 22, 2025)

In a Complex Body (Last updated: Wed, Sep 11, 2024)

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The Adaptive Value of Pain (Last updated: Fri, Jul 26, 2024)