OpenStax
Open Stax: Anatomy & Physiology: Central Processing
Students learn the pathways that sensory systems follow into the central nervous system, and understand the difference between the two major ascending pathways in the spinal cord.
Bio Topics
Bio Topics: Nervous Co Ordination
A quick review to help students understand the function of different types of neurons in the human body.
Wikimedia
Wikipedia: Spinal Cord
Wikipedia offers a basic overview of the spinal cord lists the five segments of the vertebrate, discusses the anatomy of the spinal cord, talks about the functions and importance of the spinal cord, and briefly mentions some diseases...