d. Study with Quizlet and memorize flashcards containing terms like Pre vertebral ganglia are located anterior to the _____ _____ on the anterolateral surface of the _____ . What info does the dorsal root ganglion contain? afferent info only. B. Otic Ganglion - Parasympathetic Roots. 3: Autonomic Synapses, Effects and Reflexes Postganglionic axons contain varicosities, swellings containing vesicles of neurotransmitters. c) the constant slight contraction seen in skeletal muscles. In human fetuses, the ganglion cardiacum has also been called the juxtaductal body [ 19] and the aortico-pulmonary ganglionic mass [ 20 ]. mal_comp Plus. E) dermatomes. autonomic ganglia: [ gang´gle-on ] (pl. (2) The superior mesenteric ganglion. brainstem and spinal cord. Autonomic ganglia contain: -an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. Many of the sympathetic neurons that exit the spinal cord below the diaphragm do not synapse in the sympathetic chain of ganglia. A. Despite being macroscopically very distinct from one another, sympathetic and parasympathetic ganglia use many of the same activation mechanisms. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons Dorsal root ganglia or spinal ganglia where the cell bodies of sensory or afferent nerves are located See Image 1; Cranial nerve ganglia that contain the neurons of the selected cranial nerves See image 2 Trigeminal ganglion highlighted in green. 3. Which of these statements accurately describes how the general visceral motor system of the autonomic nervous system (ANS) differs from the general somatic motor system? The conduction of impulses through the ANS is quicker than conduction through the somatic motor system. 2 B and 3). A) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. parasympathetic division. , orthostatic hypotension. List the 5 major prevertebral ganglia. 4 14. A) Sympathetic B) Parasympathetic, Collateral ganglia. cell bodies of postganglionic neurons that extend to effector and innervates via ACh or NE. true. synapses between postganglionic fibers and their effectors. True B. True B. Question: Autonomic ganglia contain __?-an outer connective tissue capsule around the cell bodies of preganglionic motor neurons-the cell bodies of motor neurons-synapses between postganglionic fibers and their effectors-both somatic afferent and efferent neurons Answer: the cell bodies of motor neuronsThe two divisions of the autonomic nervous system - use preganglionic and postganglionic neurons to innervate skeletal muscle. Submandibular (CN VII). , Goridis, C. 3. the cell bodies of motor neurons. The ganglion cells of the autonomic nerves are located either outside the heart (extrinsic) or inside the heart (intrinsic). Anatomy and Physiology questions and answers. - function only during sleep. Compared with the massive convergence of excitatory and inhibitory inputs onto most central neurons, the synaptic organisation of autonomic ganglia is remarkably simple. 4). A- visceral sensory neuron. and more. synapses between postganglionic fibers and their effectors. , (T/F) Autonomic ganglia are sights of synapse and. Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. Ganglia are of two types, sensory or autonomic. The parasympathetic nervous system is organized in a manner similar to the sympathetic nervous system. The most complicated spinal reflexes are called intersegmental reflex arcs. True b. 2. Key Terms. Answer: True False. , Science 354:893–897, 2016). Parasympathetic preganglionic neurons, which have cell bodies in the brainstem and spinal cord, are the source of all parasympathetic outflow. -activates β2 adrenergic receptors. submandibular ganglion. Axons of ganglionic neurons. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons d. The cell bodies of motor neurons . The somatic nervous system causes contraction of skeletal muscles. Ganglia are observed in both somatic and autonomic nervous systems and differ based on their location and the types of neurons they contain. Multiple select question. Nerve fibers leave the brain and enter the ganglia. - are composed of PNS structures only. Autonomic ganglia contain _____. a. D) skeletal muscle. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. Autonomic ganglia: Contain hundreds-thousands of ganglionic neurons. the cell bodies of motor neurons d. dorsal root ganglia: A dorsal root ganglion (or spinal ganglion) is a nodule on a dorsal root of the spine that contains the cell bodies of nerve cells (neurons) that carry signals from sensory organs toward the appropriate integration center. Many of the ganglia contain nerves of the sympathetic and parasympathetic nervous systems. 2). In the autonomic nervous system, fibers from the central nervous system to the ganglia are known as preganglionic fibers, while those from the ganglia to the effector organ are called postganglionic fibers . Which of the following does NOT describe the ANS? a system of motor neurons that innervates all muscle cells. synapses between postganglionic fibers and their effectors. In addition, both the spinal cord and brainstem give rise to motor output to striated muscles and to the autonomic ganglia (ANS, autonomic nervous system; synonymous with visceral motor system). After emerging from the vertebral column the spinal nerves split into rami. Postganglionic fibers. Answer should include the. The autonomic motor neurons in the ganglia send efferent fibers (postganglionic autonomic nerve fibers) to innervate cardiac muscle fibers of the heart. The PNS is composed of the groups of neurons (ganglia) and bundles of axons (nerves) that are outside of the brain and spinal cord. The terminal branches of postganglionic axons have preterminal and terminal varicosities (enlargements) that contain synaptic vesicles. On average, unfused lumbar ganglia contain from about 60,000 to 85,000 nerve cell bodies (Webber, 1958). This chapter summarizes knowledge about sympathetic preganglionic neurons that has accumulated over the. Autonomic Nervous System 2022. Otic Ganglion - Parasympathetic Roots. E) afferent neurons. Preganglionic neurons are located in the brain stem and in the lateral portion of the anterior gray horns of spinal segments S2-S4. Ganglia are 20,000 to 30,000 afferent and efferent nerve cell bodies that run along on either side of the spinal cord. what is not a result of parasympathetic stimulation? dilation of the pupils. Study with Quizlet and memorize flashcards containing terms like Short preganglionic, long postganglionic fibers. The cardiac autonomic nervous system (cANS) regulates cardiac adaptation to different demands. dilation of the blood vessels serving the skin and digestive viscera. A) Sympathetic B) Parasympathetic and more. The PNS is composed of the groups of neurons (ganglia) and bundles of axons (nerves) that are outside of the brain and spinal cord. , 2000). Be able to sketch the different arrangement of pre- and post-ganglionic fibers in the nervous system (CNS vs. A) ganglionic neurons. Find out how ganglia are categorized, such as sensory, sympathetic, and parasympathetic, and how they are related to the autonomic ganglia that contain the autonomic nervous system. Sensory ganglia contain unipolar sensory neurons and are found on the dorsal root of all spinal nerves as well as associated with many of the cranial nerves. An autonomic ganglion is a cluster of nerve cell bodies (a ganglion) in the autonomic nervous system. 8 terms. -activates β1 adrenergic receptors. 3 and 34. C. the division of the autonomic nervous system that calms the body, conserving its energy. See image 3 Study with Quizlet and memorize flashcards containing terms like The ANS stimulates smooth muscles, skeletal muscles and glands, whereas the somatic nervous system innervates skeletal muscles only. In the upper medulla, the salivatory nuclei contain neurons with axons that project through the facial and glossopharyngeal nerves to ganglia that control salivary glands. The α5 transcript was detected, in addition to autonomic ganglia, in the cerebellum and the thalamus, as well as in nonneuronal tissues (Flora et al. All Osmosis Notes are clearly laid-out and contain striking images, tables, and diagrams to help visual learners understand complex topics quickly and efficiently. synapses between postganglionic fibers. E. Tear production is influenced by parasympathetic fibers in the facial nerve, which activate a ganglion, and ultimately the lacrimal (tear) gland. The other is connected to the central nervous system via the brain or spinal cord. Autonomic ganglia contain ________. These GP, except the ligament of Marshall, are embedded within epicardial fat pads and vary in size, from those that contain just a few neurons. ) 1. Which of the following is NOT a possible location? the spinal cord. 3. A) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons B) both somatic afferent and efferent neurons C) synapses between postganglionic fibers and their effectors D). 46 terms. the cell bodies of motor neurons. True. The epineurium is the innermost connective tissue covering. autonomic plexus: Any of the extensive networks of nerve fibers and cell bodies associated with the autonomic nervous system that are found in the thorax, abdomen, and pelvis, and that contain sympathetic, parasympathetic, and visceral afferent fibers. A ganglion is a collection of neuronal bodies found in the voluntary and autonomic branches of the peripheral nervous system (PNS). ; preganglionic fiber: In the autonomic nervous system, fibers from the CNS to the ganglion are known. e. a. a. In most ganglia there are subsets of neurons with. the cell bodies of motor neurons d. These ganglia are. 34)Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. the trunk ganglia contain what kind of cell bodies. Sympathetic division "Fight or flight" Prepares the body to. Parasympathetic ganglia tend to lie close to or within the organs or tissues that their neurons innervate, whereas sympathetic ganglia are located at more distant sites from. The synapse between the two neurons occurs at a ganglion, or a collection of cell bodies. synpases between upper and lower motor neuronsAutonomic ganglia contain 1. The PNS is composed of the groups of neurons (ganglia) and bundles of axons (nerves) that are outside of the brain and spinal cord. Its main effect is on cardiac muscle and visceral smooth muscles. TRUE. A. C) the cell bodies of motor neurons. These ganglia contain SSN that mainly innervate ear tissues (external auditory meatus), the posterior fossa dura and tissues of the pharyngeal region, and their proximal branch makes connections with the SN. general visceral motor system. what is not a result of parasympathetic stimulation? dilation of the pupils. Autonomic ganglia contain __?__. from those that contain just a few neurons, to those that contain over 400 neurons. emotions influence autonomic reactions primarily through integration in the. Microscopic structure: Autonomic ganglia contain the ganglionic neurons, satellite glial cells, and small intensely fluorescent cells. A ganglion is a group of neuron cell bodies in the periphery. • The preganglionic parasympathetic neurons lie in the Inferior salivatory nucleus in the Medulla. both. Function. 1. hypothalamus. are voluntary. Other uses for sympatholytic drugs are as antianxiety medications. The autonomic ganglia contain thousands of postganglionic neurons but are innervated by considerably smaller numbers of preganglionic neurons. An inhaler used to treat airway constriction in asthma or allergy might contain a drug that. - are voluntary. Sympathetic ganglia and parasympathetic ganglia utilize many of the same processes for activation, even though these ganglia are macroscopically quite different from one another. Key Terms. the cell bodies of motor neurons Study with Quizlet and memorize flashcards containing terms like The ANS stimulates smooth muscles, skeletal muscles and glands, whereas the somatic nervous system innervates skeletal muscles only. Dorsal horn, C. Select one: a. which of the following describe the ANS. human nervous system. The oculomotor, facial, and glossopharyngeal nerves contain fibers that contact autonomic ganglia. Tear production is influenced by parasympathetic fibers in the facial nerve, which activate a ganglion, and ultimately the lacrimal (tear) gland. One cell is located in the brain stem Brain stem The brain’s functions are both mysterious and remarkable, relying on billions of nerve cells and the internal communication between them. The effects of neurotransmitters released from either sympathetic or parasympathetic postganglionic neurons may be stimulatory or inhibitory. 5. Like other parts of the peripheral nervous system, these ganglia are covered by a thin connective tissue layer, essentially a perineurium. d. the cell bodies of motor neurons. splanchnic nerves. What are autonomic ganglia? Autonomic ganglia are a type of ganglia in which there is a group of neurons that will join the nerves that come from the central nervous system with the nerves that come from the organs in the periphery, the latter will be. Fibers that enter and leave the sympathetic chain without synapsing form structures called. B. the cell bodies and dendrites of motor (efferent) neurons. A couple of common versions of β-blockers are metaprolol, which specifically blocks the β 2 -receptor, and propanolol, which nonspecifically blocks β-receptors. (In the gut, reflex activity can take place in autonomic plexuses and. Create flashcards for FREE and quiz yourself with an interactive flipper. SNS centers are found within the thoracic and lumbar segments of the spinal cord, which is why it is also called the thoracolumbar division. The term autonomic nervous system (ANS) refers to collections of motor neurons (ganglia) situated in the head, neck, thorax, abdomen, and pelvis, and to the axonal connections of these neurons (Figure 1). Autonomic neuropathy, also called dysautonomia, occurs when damage to the nerves of the ANS causes a persistent imbalance in parasympathetic and sympathetic activity, which imparts functional impairments across multiple organ systems. Petrose ganglia contain VSN that innervate structures of the respiratory system and convey taste information from the posterior third of the tongue. the cell bodies of motor neurons c. The autonomic nervous system consists of sympathetic and parasympathetic branches. Figure 14. an outer connective tissue capsule around the cell bodies of. Select one: a. These GP have been shown to play a significant role in different arrhythmias, including AF. After emerging from the vertebral column the spinal nerves split into rami. B- posterior root ganglion. The two divisions of the autonomic nervous system, sympathetic and parasympathetic, A. Both divisions contain the autonomic ganglia that house ganglion. Peripheral Autonomic Nervous System. Superior cervical ganglion cells have postganglionic axons going to the head, neck, thoracic viscera what are the targets in the superior cervical ganglion? targets contain sweat glands, blood vessels, dilator pupillae (far vision) muscle of. A) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons B) synapses between postganglionic fibers and their effectors C) the cell bodies of motor neurons D) both somatic afferent and efferent neurons Autonomic ganglia contain __?__. (Illustration by N. A) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons B) synapses between postganglionic fibers and their effectors C) the cell bodies of motor neurons D) both somatic affer: C) the cell bodies of motor neurons. t. Autonomic ganglia: Contain hundreds-thousands of ganglionic neurons. both somatic afferent and efferent neurons. Autonomic ganglia contain cell bodies of sympathetic or parasympathetic motor neurons, which receive synaptic input from preganglionic autonomic neurons whose cell bodies are located in the CNS. synapses between postganglionic fibers and their effectors. It can be both pro- and/or anti-arrhythmic [1]. Among vertebrates there are three major groups of ganglia: Dorsal root ganglia (also known as the spinal ganglia) contain the cell bodies of sensory (afferent) neurons. The interneurons have been shown to contain a variety of transmitters, including norepinephrine, epinephrine, dopamine, serotonin, and a number of neuropeptides. in the peripheral nervous system. -Both systems elicit the same target organ responses to their. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. Parasympathetic ganglia are located near or within the effector organs. The motor fibers, both somatic and autonomic, emerge as the ventral nerve root. , Autonomic ganglia are sights of synapse and information. those that pass through the trunk ganglion to synapse in collateral or prevertebral ganglia. The autonomic nervous system is comprised of (clustered) nerve cells, (neurons), that have a characteristic tree-like structure. Are located in. Facial. False, Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. Parasympathetic ganglia are located near or within the effector organs. Conduction is slower in autonomic nervous system than somatic motor nervous system because?Study with Quizlet and memorize flashcards containing terms like List the names of the two motor neurons of the autonomic nervous system. False. 1. Autonomic ganglia contain _____. Contain many ganglionic neurons. Parasympathetic: promotes “rest and digest” response, corresponds with calming of the body and enhances digestion. Human nervous system - Autonomic, Neurotransmitters, Anatomy: The autonomic nervous system is the part of the peripheral nervous system that regulates the basic visceral processes needed for the maintenance of normal bodily functions. Autonomic ganglia are an important site of neural integration and regulation of autonomic reflexes. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. Pelvic ganglion. 2. A) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons B) synapses between postganglionic fibers and their effectors C) the cell bodies of motor neurons D) both somatic afferent and efferent neurons. The oculomotor, facial, and glossopharyngeal nerves contain fibers that contact autonomic ganglia. The autonomic. The most common type of sensory ganglion is a dorsal (posterior) root ganglion. both somatic afferent and efferent neurons d. synapses between postganglionic fibers. False, Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. This neuron releases ACh to a second neuron called a ganglionic neuron that is located in ganglia. 3. a knot or knotlike mass; in anatomic nomenclature, a group of nerve cell bodies located outside the central. synapses between postganglionic fibers and their effectors c. All preganglionic neurons use acetylcholine as transmitter in the ganglia. The craniosacral division is another name for the. Autonomic ganglia contain ________. a) synapses between postganglionic fibers and their effectors b) both somatic afferent and efferent neurons c) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons d) the cell bodies of motor neurons Autonomic ganglia contain cholinergic synapses that either relay the central (preganglionic) signal directly to the target organ or, in other pathways, integrate central and peripheral inputs to provide control of visceral targets. Function. Recent experimental and clinical studies have shown that the intrinsic cardiac autonomic nervous system (CANS), which is formed by interconnected clusters of autonomic ganglia, known as ganglionated plexi (GP), plays an important role in the initiation and maintenance of atrial fibrillation (AF) . The preganglionic neurons carry information from the brain to the target areas, which is called the parasympathetic nervous system. but it will contain sensory fibers and autonomic fibers to the vasculature and may also contain fibers supplying the autonomic. The cell bodies of motor neurons. Will either excite or inhibit cells of glands, smooth or cardiac muscle. both somatic afferent and efferent neurons Reset Selection Mark for Review. , and. Furness, in The Rat Nervous System (Fourth Edition), 2015 Intramural Ganglia in Other Organs. The nature of these ganglionic neurons i. The pelvic ganglia are very unusual autonomic ganglia because they contain both sympathetic and parasympathetic neurons (Figs. The ANS contains both sensory and motor neurons. Autonomic ganglia contain the cell bodie of motor neurons. 4: Autonomic Short and Long Reflexes. Figure 14. Autonomic ganglia, which contain the cell bodies of the autonomic nervous system. The route of major parasympathetic outflow from the head is via the ________. Study with Quizlet and memorize flashcards containing terms like List the names of the two motor neurons of the autonomic nervous system. Drugs known as β-blockers are most likely to. Answer: True False. Sensory ganglia contain pseudounipolar neurons while autonomic ganglia are formed by multipolar perikarya of nerve cells. Where are the PSNS and Enteric Division LMNs generally? LMNs are in the neural plexus, near the target organs. Innervating motor neurons may contain neuronal nAChRs at the presynaptic nerve ending to control acetylcholine release. a. - contain autonomic ganglia to house ganglionic neurons. From a physiological point of view,. Of still greater importance, however, are the findings that various autonomic ganglia contain a system of synaptic terminals, which without doubt originate from adrenergic cell bodies. All adrenergic receptors act via ___. Test your knowledge of the autonomic nervous system with these flashcards. the cell bodies of motor neurons D. In the rabbit pancreas, the larger ganglia (≥6 neurons) often appear to be encapsulated and connect to larger nerve trunks, while the smaller ganglia are similar to grape clusters; single pancreatic neurons are also. On average, unfused lumbar ganglia contain from about 60,000 to 85,000 nerve cell bodies (Webber, 1958). The autonomic nervous system is a control system that acts largely unconsciously and regulates bodily functions, such as the heart rate, its force of contraction, digestion, respiratory rate, pupillary response, urination, and sexual arousal. Parasympathetic ganglia of the head (ciliary (CN III)). Autonomic ganglia contain the cell bodies of motor neurons. Others may exist presynaptically to control transmitter release from presynaptic nerve endings. See image 3; Image 1: Shows the Autonomic Ganglia (red SNS, blue PNS) Besides the ganglion of the peripheral nervous system, there are also parts of the brain that contains a cluster of interconnected nuclei called the basal ganglia. Ganglia are clusters of nerve cell bodies found throughout the body. Three of the cranial nerves also contain autonomic fibers, and a fourth is almost purely a component of the autonomic system. all. neurons lie in sensory ganglia. John B. On the other hand, PSNS. Autonomic ganglia contain _____. The postganglionic neurons in the sympathetic chain ganglia are essential. Oculomotor. Pre-ganglionic fibres: The ciliary ganglion is supplied by fibres from the Edinger-Westphal nucleus (associated with the oculomotor nerve). These ganglia are key components in the autonomic nervous system, which governs involuntary body functions like heart rate and digestion. The preganglionic sympathetic neurons lie in the intermediolateral column of the cord. Ganglion (Neuroanatomy)The sympathetic ganglia, or paravertebral ganglia are autonomic ganglia, of the sympathetic nervous system. contain autonomic ganglia to house ganglionic neurons. The Autonomic Nervous System . Neural processing occurs at several levels, figure 1. Autonomic ganglia contain Select one: a. Otic ganglia. both somatic afferent and efferent neurons. A central aim of the present report is to obtain a molecularly informed basis for. e. a) Explain why A is the correct answer. Autonomic ganglia contain many ganglionic neurons that innervate visceral effectors Postganglionic fibers—axons of ganglionic neurons. Autonomic ganglia contain ________. t. Click the card to flip 👆. autonomic ganglia contain. 3. Autonomic ganglia contain _____. use preganglionic and postganglionic neurons to innervate skeletal muscle. the cell bodies of motor neurons. The long reflex involves integration in. Sympathetic postganglionic neurons are found in two distinct types of peripheral ganglia: paravertebral and prevertebral. Sensory ganglia contain unipolar sensory neurons and are found on the dorsal root of all spinal nerves as well as associated with many of the cranial nerves. Study with Quizlet and memorize flashcards containing terms like 1) The statement "There is always a synapse in a peripheral ganglion between the CNS and the effector organ" is A) true only for the parasympathetic nervous system. c. Visceral Efferent Nuclei contain cell bodies of preganglionic efferent neurons. Parasympathetic Nervous System. The preganglionic sympathetic neurons lie in the intermediolateral column of the cord. The "resting and digesting" division of the autonomic nervous system is the ____. skeletal muscle. C). , 1994;. , the cardiovascular, gastrointestinal, genitourinary systems). 4: Autonomic Short and Long Reflexes. The parasympathetic division is a branch of the somatic nervous system. Sensory trigeminal neurons are also involved in. A. In most ganglia there are subsets of neurons with. A ganglion (plural: ganglia) is a group of neuronal cell bodies and processes located in the peripheral nervous system 1. Red or slow twitch fibers contain large amounts of myoglobin and are designed for long. celiac ganglion: one of the collateral ganglia of the sympathetic system that projects to the digestive system central neuron: specifically referring to the cell body of a neuron in the autonomic system that is located in the central nervous system, specifically the lateral horn of the spinal cord or a brain stem nucleus Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. Which has its cell body in a ganglion? Dorsal root ganglia (also known as the spinal ganglia) contain the cell bodies of sensory (afferent) neurons. 1) (Standring, 2008). Each ganglion is enclosed within a capsule of fibrous connective tissue and contains neuronal somata and neuronal processes. The dorsal root ganglia (DRG), cranial nerve ganglia, and autonomic ganglia (AG) are the three types of PNS ganglia while the basal ganglia in the brain and retinal ganglion in the retina are the two types of CNS ganglia. Ganglia provide relay points and intermediary connections between different neurological structures in the body, such as the peripheral and central nervous systems. Most of them (86%) also contain NOS (Gorelova et al. b) synapses between postganglionic fibers and their effectors 5. 4). The spinal ganglia or posterior or dorsal root ganglia associated with the spinal nerves contain the unipolar neurons of the sensory nerve fibers that carry signals to the. t. Along with the Nissl substance some of the cells also contain golden brown lipofuscin pigment in their. Basal ganglia The term "ganglion" refers to the peripheral nervous system. the cell bodies of motor neurons. the cell bodies of motor neurons c. The intrinsic cardiac nervous system (ICNS) is sometimes referred as the “little brain” of the heart []. Study with Quizlet and memorize flashcards containing terms like Short preganglionic, long postganglionic fibers. The vesicles release neurotransmitter molecules that diffuse. In the somatic nervous system, this includes dorsal root ganglia and trigeminal ganglia among a few others. The arrangements and naming of autonomic ganglia and nerves, with minor exceptions, is the same in all mammals. synapses between postganglionic fibers and their effectors B. b. T OR F, Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. mal_comp Plus. In the upper medulla, the salivatory nuclei contain neurons with axons that project through the facial and glossopharyngeal nerves to ganglia that control salivary glands. Nicotine is a clinically important agent that influences activity of the autonomic ganglia. Most of the cell bodies of the sympathetic postganglionic neurons are found in the: sympathetic chain ganglia. Difference Between a Nerve and a Ganglion. synapses between postganglionic fibers and their effectors. are composed of PNS structures only. A particular autonomic. Study A&P In Class 20 flashcards.