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Chapter 14:
Autonomic Nervous System
Sigmund Freud
Figure 14.1: Place of the ANS in the structural organization of the nervous system, p. 533.
CNS
PNS
Sensory division
Sympathetic
division
Parasympathetic
division
Human Anatomy and Physiology, 7e
by Elaine Marieb & Katja Hoehn
Motor division
Autonomic
nervous
system
Somatic
nervous
system
Copyright © 2007 Pearson Education, Inc.,
publishing as Benjamin Cummings.
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
Sympathetic
division
Norepinephrine
Smooth
muscle
(e.g., in
gut)
Ganglion
Acetylcholine
Autonomic
nervous
system
Epinephrine and
norepinephrine
Blood
vessel
Glands
Adrenal medulla
Acetylcholine
Parasympathetic
division
Cardiac
muscle
Ganglion
Key:
= Preganglionic axons
(sympathetic)
Human Anatomy and Physiology, 7e
by Elaine Marieb & Katja Hoehn
= Postganglionic axons
(sympathetic)
= Myelination
= Preganglionic axons
(parasympathetic)
= Postganglionic axons
(parasympathetic)
Copyright © 2007 Pearson Education, Inc.,
publishing as Benjamin Cummings.
Figure 14.3: Overview of the subdivisions of the ANS, p. 536.
Parasympathetic
Sympathetic
Eye
Brain stem
Salivary
glands
Heart
Eye
Skin*
Cranial
Cervical
Sympathetic
ganglia
Salivary
glands
Lungs
Lungs
T1
Heart
Stomach
Stomach
Thoracic
Pancreas
Liver
and gallbladder
Pancreas
L1
Liver and
gallbladder
Adrenal
gland
Lumbar
Bladder
Bladder
Genitals
Genitals
Human Anatomy and Physiology, 7e
by Elaine Marieb & Katja Hoehn
Sacral
Copyright © 2007 Pearson Education, Inc.,
publishing as Benjamin Cummings.
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
Human Anatomy and Physiology, 7e
by Elaine Marieb & Katja Hoehn
Copyright © 2007 Pearson Education, Inc.,
publishing as Benjamin Cummings.