12. Afferent fibers from visceral structures reach the CNS
via sympathetic and parasympathetic nerves
13.
14. • GYTON
• GANONG'S Review of Medical Physiology
• CLINICAL ANATOMY BY REGIONS
•http://www.painresearch.utah.edu/cancerp
ain/ch07.html
•http://www.wellcome.ac.uk/en/pain/microsit
e/science3.html
•http://www.healthhype.com/visceral-pain-organ-
pain-vs-parietal-pain-somatic-pain-causes.
html
•http://www.painclinic.org/aboutpain-paintypes.
htm