Textbook Question
Which ANS fibers release acetylcholine? Which release norepinephrine?
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Ch. 14 The Autonomic Nervous System
Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034
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Table of contents
- Ch. 1 The Human Body: An Orientation24
- Ch. 2 Chemistry Comes Alive25
- Ch. 3 Cells: The Living Units21
- Ch. 4 Tissue: The Living Fabric20
- Ch. 5 The Integumentary System11
- Ch. 6 Bones and Skeletal Tissues19
- Ch. 7 The Skeleton14
- Ch. 8 Joints7
- Ch. 9 Muscles and Muscle Tissue26
- Ch. 10 The Muscular System26
- Ch. 11 Fundamentals of the Nervous System and Nervous Tissue19
- Ch. 12 The Central Nervous System26
- Ch. 13 The Peripheral Nervous System and Reflex Activity32
- Ch. 14 The Autonomic Nervous System19
- Ch. 15 The Special Senses26
- Ch. 16 The Endocrine System23
- Ch. 17 Blood25
- Ch. 18 The Cardiovascular System: The Heart24
- Ch. 19 The Cardiovascular System: Blood Vessels27
- Ch. 20 The Lymphatic System and Lymphoid Organs and Tissues14
- Ch. 21 The Immune System: Innate and Adaptive Body Defenses27
- Ch. 22 The Respiratory System21
- Ch. 23 The Digestive System31
- Ch. 24 Nutrition, Metabolism, and Energy Balance26
- Ch. 25 The Urinary System26
- Ch. 26 Fluid, Electrolyte, and Acid-Base Balance24
- Ch. 27 The Reproductive System24
- Ch. 28 Pregnancy and Human Development25
- Ch. 29 Heredity11
Marieb, Hoehn11th EditionHuman Anatomy & PhysiologyISBN: 9780136874034Not the one you use?Change textbook
Chapter 14, Problem 6
Where are the cell bodies of visceral sensory neurons?
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Understand that visceral sensory neurons are responsible for transmitting sensory information from the internal organs (viscera) to the central nervous system (CNS).
Recall that sensory neurons have their cell bodies located in specific ganglia outside the CNS, depending on the type of sensory information they carry.
Identify that the cell bodies of visceral sensory neurons are located in the dorsal root ganglia (for spinal nerves) and in the sensory ganglia of certain cranial nerves (such as the nodose ganglion of the vagus nerve).
Recognize that dorsal root ganglia are clusters of sensory neuron cell bodies located just outside the spinal cord, serving as relay points for sensory signals from the body to the CNS.
Summarize that the cell bodies of visceral sensory neurons reside in peripheral ganglia, specifically the dorsal root ganglia and cranial nerve sensory ganglia, rather than within the CNS itself.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Visceral Sensory Neurons
Visceral sensory neurons transmit sensory information from internal organs to the central nervous system. They detect stimuli such as stretch, chemical changes, and pain within organs like the heart, lungs, and digestive tract.
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Visceral Reflex Arcs
Location of Cell Bodies in Sensory Neurons
The cell bodies of sensory neurons are typically located in ganglia outside the central nervous system. For visceral sensory neurons, these cell bodies reside in specific sensory ganglia associated with cranial and spinal nerves.
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3:49Sensory Receptor Classification by Location
Sensory Ganglia: Dorsal Root and Cranial Nerve Ganglia
Visceral sensory neuron cell bodies are found in dorsal root ganglia for spinal nerves and in cranial nerve ganglia such as the nodose ganglion of the vagus nerve. These ganglia serve as relay points for transmitting visceral sensory signals to the CNS.
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2:37Structure of the Parasympathetic Nervous System
Related Practice
Textbook Question
Describe the anatomical relationship of the white and gray rami communicantes to the spinal nerve, and indicate the kind of fibers found in each ramus type.
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Textbook Question
The white rami communicantes contain what kind of fibers?
a. Preganglionic parasympathetic
b. Postganglionic parasympathetic
c. Preganglionic sympathetic
d. Postganglionic sympathetic
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Textbook Question
Indicate the results of sympathetic activation of the following structures: sweat glands, eye pupils, adrenal medullae, heart, bronchioles of the lungs, liver, blood vessels of vigorously working skeletal muscles, blood vessels of digestive viscera, salivary glands.
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Textbook Question
Collateral sympathetic ganglia are involved with innervating
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Textbook Question
Briefly explain why the following terms are sometimes used to refer to the autonomic nervous system: involuntary nervous system and emotional-visceral system.
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