Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Textbook Question
Chapter 15, Problem 8CYU
Why are white rami communicantes located only on sympathetic trunk ganglia between
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A)The following structure in the figure is the cell body of a post-ganglionic parasympathetic neurone: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O
B) The following structure in the figure is the cell body of a pre-ganglionic sympathetic neurone: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O
C) The following structure in the figure is the cell body of a general somatic efferent neurone: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O
What types of axons (preganglionic or postganglionic,myelinated or unmyelinated) are found in the white andgray rami communicantes?
Why do Schwann cells insulate nerves?
Chapter 15 Solutions
Human Anatomy
Ch. 15 - Which fibers in the motor division of the PNS are...Ch. 15 - Prob. 2CYUCh. 15 - Where are the sympathetic ganglia located? Where...Ch. 15 - Are visceral sensory fibers considered part of the...Ch. 15 - Which spinal nerves carry parasympathetic...Ch. 15 - Prob. 6CYUCh. 15 - Prob. 7CYUCh. 15 - Why are white rami communicantes located only on...Ch. 15 - What is the general effect of sympathetic...Ch. 15 - Which types of autonomic fibers (preganglionic,...
Ch. 15 - Prob. 11CYUCh. 15 - Prob. 12CYUCh. 15 - Which region of the CNS is the main control center...Ch. 15 - Which embryonic tissue forms the postganglionic...Ch. 15 - Which division of the ANS is deficient in...Ch. 15 - Prob. 1RQCh. 15 - For each of the following terms or phrases, write...Ch. 15 - The thoracic splanchnic nerves contain which kind...Ch. 15 - The collateral ganglia contain which kind of cell...Ch. 15 - Preganglionic sympathetic neurons develop from (a)...Ch. 15 - Prob. 6RQCh. 15 - The white rami communicantes contain what kind of...Ch. 15 - Collateral sympathetic ganglia are involved. with...Ch. 15 - Is the visceral sensory nervous system part of the...Ch. 15 - (a) Describe the anatomical relationship of the...Ch. 15 - What effect does sympathetic activation have on...Ch. 15 - Which of the effects listed in question 11 would...Ch. 15 - A friend asks you how the parasympathetic...Ch. 15 - What manifestations of decreased ANS efficiency...Ch. 15 - The students in anatomy class were having...Ch. 15 - Describe the sympathetic pathways to the (a)...Ch. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - Prob. 19RQCh. 15 - How do the somatic motor and visceral motor (ANS)...Ch. 15 - A 1-year-old infant has a swollen abdomen and is...Ch. 15 - Prob. 2CRCAQCh. 15 - Prob. 3CRCAQCh. 15 - Prob. 4CRCAQCh. 15 - Prob. 5CRCAQCh. 15 - Prob. 6CRCAQCh. 15 - Prob. 7CRCAQCh. 15 - Prob. 8CRCAQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- a) How does a CAP differ from a single action potential? b) Action potentials are said to be all or none responses. Why does the frog sciatic nerve give a graded response?arrow_forwardWhich statement is true regarding the neuron synapse? A) the preganglion and post ganglionic Neurons physically touch B) a neuronal synapse consists of dendrites on a peeganglionic neuron and the axon terminal is a postganglionic neuron C) binding of a neurotransmitter on a post ganglionic neuron always generates an action perennial D) neurotransmitters can be degraded by enzymes within the synaptic cleft to terminate its effectarrow_forwardIdentify the types of axons that compose the gray and whiterami communicantes, describe their anatomic arrangement andlocation, and discuss the reason for the differences in their color.arrow_forward
- How does the emergence of sympathetic preganglionic fibers from the spinal cord differ from the emergence of parasympathetic preganglionic fibers?arrow_forwardDescribe the four major ways by which sympathetic axonspass from sympathetic chain ganglia to effectors. Name fourabdominopelvic autonomic nerve plexuses.arrow_forwardName the three connective tissue sheaths that surround a peripheral nerve. Which of these coverings enable regrowth of a damaged axon in the periphery?arrow_forward
- What type of action potential conduction is found in sympathetic preganglionic neurons? continuouns conduction saltatory coduction what type of action potential conduction is found in parasympathetic preganglionic neurons? continuouns conduction saltatory conduction please highlight the answersarrow_forwardSmall intestine (or other visceral organ) CNS (spinal cord) Skeletal muscle Figure 14.1 Using Figure 14.1, match the following: 11) Myelin sheath. 11) 12) Cell body of ANS preganglionic neuron. 12) - 13) Cell body of ANS postganglionic neuron. 13) 14 14) Cell body of the somatic neuron. TIPLE CHOICE. Choose the one alternative that best completes the statement or answers the qu 15) Which of the following is not a function of astrocytes? A) guide the migration of young neurons, synapse formation, and helping to determine ca permeability B) support and brace neurons C) anchor neurons to blood vesselsarrow_forwardWhich number represents postganglionic fibers?arrow_forward
- Two separate post-synaptic interneurons receive synaptic potentials from afferent neurons in the periphery. The dendrites of one these interneurons receive an excitatory post-synaptic potential (EPSP) and an inhibitory post-synaptic potential (IPSP) of equal magnitude at the same time. The dendrites of the other interneuron receive one excitatory post-synaptic potential that is the same sized as the EPSP and IPSP received by the other interneuronarrow_forwardDescribe the sympathetic vasomotor tone: its origin, the neurotransmitter and receptor responsible for the effect. What is the physiological significance of the sympathetic tone?arrow_forwarda) Which letter represents structure that is a receptor for sensory info? b) Which letter represents a skeletal muscle? c) Which letter represents structure that transmits info to CNS d) Which letter represents structure that is known as cell body of a sensory neurone? e) Which letter represents structure that is cell body of a post-ganglionic sympathetic neuron?arrow_forward
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