Chapter 17
The Nervous System:
Autonomic Division
Subdivisions of the ANS
Subdivisions of the ANS
The Sympathetic Division
The Sympathetic Division:
Chain Ganglia
The Sympathetic Division:
Collateral Ganglia
The Sympathetic Division:
The Adrenal Medullae
Sympathetic Activation and Neurotransmitter Release
The Parasympathetic Division
Parasympathetic Function
Cranial segment – (III, VII, IX & X)
Stimulate digestive activities (X, VII, IX)
Constrict pupils (III)
Slow heart rate, decrease blood pressure (X)
Constriction of respiratory pathways (X)
Sacral nerves
Defecation and Urination
Sexual arousal
Parasympathetic Summary
Rest and repose system
Short lived response
Comparison of the Divisions of the ANS
Higher Levels of Autonomic Control