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Chapter 14:Autonomic Nervous System
Sigmund Freud
Human Anatomy and Physiology, 7eby Elaine Marieb & Katja Hoehn
Copyright © 2007 Pearson Education, Inc.,publishing as Benjamin Cummings.
Figure 14.1: Place of the ANS in the structural organization of the nervous system, p. 533.
CNS
Sensory division Motor division
PNS
Autonomic nervous system
Sympathetic division
Parasympatheticdivision
Somatic nervous system
Human Anatomy and Physiology, 7eby Elaine Marieb & Katja Hoehn
Copyright © 2007 Pearson Education, Inc.,publishing as Benjamin Cummings.
Figure 14.2: Comparison of somatic and autonomic nervous systems, p. 534.
Somatic nervous system Skeletal muscle
Centralnervous system Peripheral nervous system Effector organs
Acetylcholine
Smoothmuscle(e.g., in gut)
Acetylcholine
Ganglion
Adrenal medulla
GlandsBloodvessel
Cardiacmuscle
Sympatheticdivision
Autonomicnervoussystem
Acetylcholine
Acetylcholine
Norepinephrine
Epinephrine andnorepinephrine
Ganglion
Para-sympathetic
division
= Preganglionic axons (sympathetic)
= Postganglionic axons (sympathetic)
= Myelination = Preganglionic axons (parasympathetic)
= Postganglionic axons (parasympathetic)
Key:
Human Anatomy and Physiology, 7eby Elaine Marieb & Katja Hoehn
Copyright © 2007 Pearson Education, Inc.,publishing as Benjamin Cummings.
Figure 14.3: Overview of the subdivisions of the ANS, p. 536.
Salivaryglands
Eye
Skin*
Heart
Lungs
Liverand gall-bladder
Pancreas
Eye
Lungs
Bladder
Liver and gall-bladder
Pancreas
Stomach
Cervical
Sympatheticganglia
Cranial
Lumbar
Thoracic
Genitals
Heart
Salivaryglands
Stomach
Bladder
Adrenalgland
Parasympathetic Sympathetic
Sacral
Brain stem
L1
T1
Genitals
Human Anatomy and Physiology, 7eby Elaine Marieb & Katja Hoehn
Copyright © 2007 Pearson Education, Inc.,publishing as Benjamin Cummings.
Figure 14.8: Referred pain, p. 543.
Heart
Lungs anddiaphragm
Liver
Gallbladder
Stomach
Kidneys
Ovaries
Small intestine
Ureters
Urinarybladder
Colon
Pancreas
Liver
Heart
Appendix
Gallbladder
