1. Autonomic Nervous System
Chapter 14:
Autonomic Nervous System

2. Sigmund Freud

3. CNS PNS Sensory division Motor division Sympathetic division Autonomic
Figure 14.1: Place of the ANS in the structural organization of the nervous system, p. 533.
CNS
PNS
Sensory division
Motor division
Sympathetic
division
Autonomic
nervous
system
Somatic
nervous
system
Parasympathetic
division

4. Peripheral nervous system Effector organs
Figure 14.2: Comparison of somatic and autonomic nervous systems, p. 534.
Central
nervous system
Peripheral nervous system
Effector organs
Acetylcholine
Somatic nervous system
Skeletal muscle
Acetylcholine
Norepinephrine
Smooth
muscle
(e.g., in
gut)
Ganglion
Sympathetic
division
Acetylcholine
Epinephrine and
norepinephrine
Autonomic
nervous
system
Blood
vessel
Glands
Adrenal medulla
Acetylcholine
Cardiac
muscle
Para-
sympathetic
division
Ganglion
Key:
= Preganglionic axons
(sympathetic)
= Postganglionic axons
(sympathetic)
= Myelination
= Preganglionic axons
(parasympathetic)
= Postganglionic axons
(parasympathetic)

5. Figure 14.3: Overview of the subdivisions of the ANS, p. 536.
Parasympathetic
Sympathetic
Eye
Eye
Brain stem
Salivary
glands
Skin*
Cranial
Salivary
glands
Sympathetic
ganglia
Heart
Cervical
Lungs
Lungs T1
Heart
Stomach
Thoracic
Stomach
Pancreas
Liver
and gall-
bladder
Pancreas L1
Liver and
gall-
bladder
Adrenal
gland
Lumbar
Bladder
Bladder
Genitals
Genitals
Sacral

6. Figure 14.8: Referred pain, p. 543.
Heart
Lungs and
diaphragm
Liver
Gallbladder
Gallbladder
Heart
Appendix
Liver
Stomach
Pancreas
Small
intestine
Ovaries
Colon
Kidneys
Urinary
bladder
Ureters