Pain and Connective Tissue Properties: Types of Pain

Tissue injury pain relates to somatic structures, while nervous system injury pain includes neurogenic or radicular and pain generated with the central nervous system. The other source of pain that occasionally must be considered in the differential diagnosis is visceral pain from organs.
 
Basic Pain Types
 
Pain Type                                    Structures Involved
 
Somatic pain                              Musculoskeletal tissue
Radicular pain                           Nerve root/dorsal root ganglion/dura
Central pain                               Central Nervous System
Visceral pain                              Visceral organs