Autonomic ganglia contain A. Which of the following is not a result of parasympathetic stimulation? dilation of the pupils. are composed of PNS structures only. It is the largest of the three ganglia of the cervical. both somatic afferent and efferent neurons b. 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. d. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons d. Table quiz. d) a substance that prevents a receptor from receiving a hormone. 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. A sensory neuron can project to the brain or spinal cord or to an autonomic ganglion. What are 3 types of neurons? Functional types of neurons: 1. 14. Cremer, H. Anatomy and Physiology questions and answers. b. both somatic afferent and efferent neurons D. 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. C) true for both the parasympathetic and sympathetic nervous systems. gan´glia, ganglions ) ( Gr. 4. The number of functional inputs is small (as few as one) and, although many. 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. The most common type of sensory ganglion is a dorsal (posterior) root ganglion. The sympathetic nervous system plays a critical role in regulating many autonomic functions, including cardiac rhythm. ; cholinergic: Pertaining to, activated by, producing, or having the same function as acetylcholine. The autonomic motor neurons in the ganglia send efferent fibers (postganglionic autonomic nerve fibers) to innervate cardiac muscle fibers of the heart. Location of Otic Ganglion. vagus nerve. A) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. One of the questions is about the location of autonomic ganglia, which are the cell. 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). Sympathetic ganglia and parasympathetic ganglia utilize many of the same processes for activation, even though these ganglia are macroscopically quite different from one another. Three of the cranial nerves also contain autonomic fibers, and a fourth is almost purely a component of the autonomic system. In terms of the histology, this type of peripheral ganglia contains cell bodies of postganglionic multipolar neurons. Autonomic ganglia contain _____. division that is dominant during exercise excitement, emergenices. C. Splanchnic nerves contain predominantly visceral efferent fibers and pain conducting. Study with Quizlet and memorize flashcards containing terms like Which autonomic fiber releases norepinephrine as its neurotransmitter?, Preparing the body for the "fight-or-flight" response is the role of the, The parasympathetic nervous system is characterized by peripheral ganglia near the and more. This ganglion lies between the tensor veli palatini muscle and the mandibular nerve just below the foramen ovale. 3. B. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. Phototransduction is the process in which. The synapse between the two neurons occurs at a ganglion, or a collection of cell bodies. com An autonomic ganglion is a cluster of nerve cell bodies (a ganglion) in the autonomic nervous system. the cell bodies of motor neurons. Table quiz. , Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. B. These ganglia are associated with the autonomic nervous system and consist of neurons that release neurotransmitters like acetylcholine and norepinephrine to control involuntary body functions. C) the cell bodies of. The cardiac autonomic nervous system (cANS) regulates cardiac adaptation to different demands. The paravertebral ganglia are interconnected autonomic ganglia that lie close to the spinal nerves and the vertebrae, from the lower cervical/upper thoracic level to the sacral level of the spinal cord. Parasympathetic Nervous System. b) the balance between sympathetic and parasympathetic activity. , (T/F) Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. Autonomic Nervous System 2022. Dorsal roo. 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 . These ganglia contain the cell bodies of the parasympathetic postganglionic neurons that serve the parotid salivary glands. It is connected by nerve fibers to the. it/parasympathetic-nervous-system ANS component controls visceral functions not requiring fast response (i. both somatic afferent and efferent neurons Reset Selection Mark for Review. The oculomotor fibers initiate pupillary constriction, whereas the facial and glossopharyngeal fibers both initiate. The autonomic nervous system plays a central role in the pathogenesis of multiple cardiac arrhythmias, including atrial fibrillation and ventricular tachycardia. 4 14. True b. In Class 20. 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. Autonomic ganglia. the cell bodies of postganglionic neurons d. a. Cranial nerve ganglia contain the cell bodies of cranial nerve neurons. a. t. Neuron 18 411. Sensory nerves in the autonomic nervous system have their cell bodies arranged into autonomic ganglia. All preganglionic neurons use acetylcholine as transmitter in the ganglia. The ultrastructure of the rat cardiac ganglia, in many respects similar to that of other autonomic ganglia, is described by Ellison and Hibbs (1976). The craniosacral division is another name for the parasympathetic division. T. the cell bodies of motor neurons D. t. The autonomic nervous system. Autonomic ganglia contain ____. Function. D) glands. 1) (Standring, 2008). Study with Quizlet and memorize flashcards containing terms like The nervous system is primarily made of ______. , (T/F) Autonomic ganglia are sights of synapse and. In sympathetic neurons the most common of these are neuropeptide Y, somatostatin, vasoactive intestinal peptide, and enkephalin 21; in parasympathetic neurons they are vasoactive intestinal peptide and CGRP (Table 11-1). These ganglia contain the cell bodies of sympathetic postganglionic neurons. autonomic ganglia. For example, the cells of sensory ganglia are usually unipolar or pseudounipolar with centrally placed nucleus. human nervous system. The oculomotor, facial, and glossopharyngeal nerves contain fibers that contact autonomic ganglia. Autonomic ganglia contain _____. e. On the other hand, PSNS. Nicotine is a clinically important agent that influences activity of the autonomic ganglia. , Which sympathetic pathway is being used if a pre ganglionic neuron synapses with a ganglionic neuron in a sympathetic trunk ganglion and the post ganglionic axon travels through a. C. lateral gray horns of the spinal cord. False, Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. Ganglia are primarily made up of somata and dendritic structures, which are bundled or connected. -activates β1 adrenergic receptors. Consequently, these neurons are important sites for central autonomic integration and modulation. Ganglia are also present in the heart, trachea and bladder. (2) The superior mesenteric ganglion. The SNS and PSNS interact at each hierarchy level, including the intrinsic cardiac. A) the cell bodies of motor neurons 2. C) digestion. Study with Quizlet and memorize flashcards containing terms like Pre vertebral ganglia are located anterior to the _____ _____ on the anterolateral surface of the _____ . The histological features of the sensory ganglia are similar to those of the autonomic ganglia apart from a few key differences. Autonomic ganglia contain the cell bodies of autonomic nerves. In the model the sympathetic chain ganglia are bright pink and. What do autonomic ganglia contain? Function. norepinephrine and acetylcholine. Many of the ganglia contain nerves of the sympathetic and parasympathetic nervous systems. contain autonomic ganglia to house ganglionic neurons. In sympathetic neurons the most common of these are neuropeptide Y, somatostatin, vasoactive intestinal peptide, and enkephalin 21; in parasympathetic neurons they are vasoactive intestinal peptide and CGRP (Table 11-1). Figure 14. All preganglionic neurons use acetylcholine as transmitter in the ganglia. Autonomic ganglia. synapses between postganglionic fibers and their effectors. Study with Quizlet and memorize flashcards containing terms like Short preganglionic, long postganglionic fibers. Petrose ganglia contain VSN that innervate structures of the respiratory system and convey taste information from the posterior third of the tongue. 4). Autonomic ganglia contain ________. Cranial nerve ganglia contain the cell bodies of cranial nerve neurons. Although alpha3beta4 subunit combination is clearly prevalent in the nAChRs of autonomic ganglia neurons, the ganglia are strikingly different in the ratio of neurons containing each particular nAChR subunit, as found with immunohistochemical methods and from the analysis of the effects of nAChR subunit-specific antibodies on the ACh-induced. The parasympathetic nervous system is organized in a manner similar to the sympathetic nervous system. Autonomic ganglia are sights of synapse and information transmission from preganglionic to postganglionic neurons. The intrinsic cardiac ganglia reside on the epicardium and receive post-ganglionic sympathetic and pre-ganglionic parasympathetic connections. Learn about the structures and functions of ganglia and nerves in the peripheral nervous system (PNS) and the central nervous system (CNS). bowel movements). Autonomic ganglia are an important site of neural integration and regulation of autonomic reflexes. The autonomic nervous system is a component of the peripheral nervous system that regulates involuntary physiologic processes including heart rate, blood pressure, respiration, digestion, and sexual. c. Visceral efferent (VE) pathways that innervate smooth muscle, cardiac muscle, and glands involve two neurons and a synapse within an autonomic ganglion. T. [ edit on Wikidata] The sympathetic ganglia, or paravertebral ganglia, are autonomic ganglia of the sympathetic nervous system. , Autonomic ganglia are sights of synapse and information transmission from preganglionic to postganglionic neurons. Autonomic ganglion neurons also contain a variety of neuropeptides. Autonomic ganglia contain the cell bodies of autonomic nerves. Expert Answer. The autonomic nervous system (ANS) with its two arms, the sympathetic (SNS) and parasympathetic nervous system (PSNS), plays an important role in the modulation of cardiac arrhythmogenesis (Table 1). 57 terms. Both divisions are under involuntary control Both divisions utilize a preganglionic and ganglionic neuron. Anatomy and Physiology questions and answers. Key facts about the descending pathways of the autonomic nervous system. Vertebrates have three main types of ganglia. Recall that a ganglion is simply a collection of neuron cell bodies in the peripheral nervous system. Answer should include the. 34. They are part of the peripheral nervous system and carry nerve signals to and from the central nervous system. E). The post-ganglionic neurons are directly responsible for changes in the activity of the target organ via biochemical modulation and neurotransmitter release. The neurons that originate. false. Furness, in The Rat Nervous System (Fourth Edition), 2015 Intramural Ganglia in Other Organs. Collateral ganglia contain neurons that innervate tissues and organs in which cavity? abdominopelvic The ___ division of the autonomic nervous system is known as the "rest and digest" division. The nuclei, in turn, contain grey matter (where information is processed). Sensory input can stimulate either a short or a long reflex. d. contain? sensory, motor, and autonomic branches. Ganglia can be categorized into two groups - sensory ganglia and autonomic ganglia. Parasympathetic cardiac nerves reach the heart from the vagus nerve (cranial nerve X) via several cardiac nerves. Compared with the massive convergence of excitatory and inhibitory inputs onto most central neurons, the synaptic organisation of autonomic ganglia is remarkably simple. Ganglia are of two types, sensory or autonomic. both somatic afferent and efferent neurons b. 3. Maintains body homeostasis by increasing or decreasing the activity of the various organs. divisions of ANS. Upon entering the pericardial sac, mixed autonomic nerves project to cardiac ganglia that are interconnected by local. synapses between postganglionic fibers and their effectors Autonomic ganglia contain _____. 34)Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. In Class 20. a knot or knotlike mass; in anatomic nomenclature, a group of nerve cell bodies located outside the central. Sensory input can stimulate either a short or a long reflex. Both the brain and the lateral gray horns of the spinal cord. what is not a result of parasympathetic stimulation? dilation of the pupils. Variations in autonomic tone in. There are numerous conglomerations of autonomic ganglia on the epicardial surface of the heart, known as ganglionated plexi (GP). the cell bodies and dendrites of motor (efferent) neurons. which of these is not innervated by the ANS. A. g. which of the following describe the ANS. Structure. , The brain and spinal cord are part of the ______. Interoceptive and exteroceptive signals, and the corresponding coordinated control of internal organs and sensory functions, including pain, are received and orchestrated by multiple neurons within the peripheral, central and autonomic nervous systems. What is found in autonomic ganglia? The last common neurons that innervate the organs necessary for maintaining homeostasis are found in the autonomic ganglia. Autonomic ganglia contain the cell bodies of motor neurons. Anatomy and Physiology. The greater splanchnic nerve (GSN) is formed by branches of the 5 th to 9 th thoracic sympathetic ganglia, the lesser splanchnic nerve (LSN) from 10 th to 11 th thoracic sympathetic ganglia and the least splanchnic nerve from the 12 th thoracic ganglion. Function. synapses between postganglionic fibers and their effectors B. all. Oculomotor. Autonomic ganglia contain the only interneuronal synapses in peripheral motor pathways. 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. Thus the following description applies to mammals in general, except where specifically noted. a. In most ganglia there are subsets of neurons with. Impaired cholinergic ganglionic synaptic transmission is one. In humans, these ganglia are aggregated into a complex network of microganglia called the inferior hypogastric plexus (Baader and Herrmann, 2003). 35)The craniosacral division is another name for the parasympathetic division. Autonomic ganglia contain the cell bodies of autonomic nerves. The ciliary ganglion is one of four parasympathetic ganglia in the head. It is located behind the eye. bipolar cells signal the presence of contrast in a visual scene. In the autonomic nervous system, fibers from the ganglion to the effector organ are called postganglionic fibers. 3: Autonomic Synapses, Effects and Reflexes Postganglionic axons contain varicosities, swellings containing vesicles of neurotransmitters. a. Both systems have associated sensory. The sympathetic nervous system has a. synapses between postganglionic fibers and their effectors. Which nervous system division works antagonistically to the sympathetic nervous system? adrenergic. “rest and digest”) Ganglia close to target organ → long preganglionic fibers, short postganglionic fibers Preganglionic neurons Located in brainstem (nuclei of cranial nerves II, VII, IX, X. false. True b. Although they are intermingled within these ganglia, the. The sympathetic nervous system (SNS), mediated by the sympathetic chain ( trunk) and ganglia, is a major division of the autonomic nervous system. ANP IN CLASS QUESTIONS. Ganglia is the plural of the word ganglion. Autonomic ganglia contain the cell bodies of autonomic nerves. both somatic afferent and efferent neurons. The autonomic. the cell bodies of postganglionic motor fibers The site(s) of origin of the preganglionic fibers of the parasympathetic nervous system is (are) the ____. C) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons 4. Abstract. Step 1. This neuron releases ACh to a second neuron called a ganglionic neuron that is located in ganglia. 4. There are other drugs that are α-blockers and can affect the sympathetic system in a similar way. The craniosacral division is another name for the. They are essentially a junction between autonomic nerves originating from the central nervous system and autonomic nerves innervating their target organs in the periphery. - are composed of PNS structures only. postganglionic fiber: In the autonomic nervous system, these are the fibers that run from the ganglion to the effector organ. In addition to norepinephrine, these vesicles contain smaller amounts of a variety of other biologically-active substances like opioids,. Ganglionic neurons: innervate visceral effectors: smooth muscle, glands, cardiac muscle, adipose. This article will explain the anatomy and function of the thoracic. sympathetic origin is craniosacral, parasympathetic is thoroacolumbar. synapses between postganglionic fibers and their effectors. Red or slow twitch fibers contain large amounts of myoglobin and are designed for long. cell bodies of the repganglionic sympathetic neurons are located within the. Tear production is influenced by parasympathetic fibers in the facial nerve, which activate a ganglion, and ultimately the lacrimal (tear) gland. The autonomic nervous system controls various internal organs and executes crucial functions through sophisticated neural connectivity and circuits. 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. It is divided into the sympathetic and parasympathetic nervous systems. The other division that arises from the central. Preganglionic neurons are located in the brain stem and in the lateral portion of the anterior gray horns of spinal segments S2-S4. motor; the cell bodies of motor neurons. A) Sympathetic B) Parasympathetic, Collateral ganglia. autonomic ganglia contain. A ganglion is a group of neuron cell bodies in the periphery. The efferent vagus nerves contain a combination of preganglionic parasympathetic. This chapter describes the properties of preganglionic neurons of the different parasympathetic. True. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. Autonomic ganglia contain the cell bodies of autonomic nerves. but it will contain sensory fibers and autonomic fibers to the vasculature and may also contain fibers supplying the autonomic. Axons called postganglionic; begin at autonomic. Autonomic ganglia, which contain the cell bodies of the autonomic nervous system. The effects of neurotransmitters released from either sympathetic or parasympathetic postganglionic neurons may be stimulatory or inhibitory. those that pass through the trunk ganglion to synapse in collateral or prevertebral ganglia. A ganglion (plural: ganglia) is a group of neuronal cell bodies and processes located in the peripheral nervous system 1. Sensory ganglia 2. , 2000). Graduated from ENSAT (national agronomic school of Toulouse) in plant sciences in 2018, I pursued a CIFRE doctorate under contract with Sun’Agri and INRAE in Avignon between 2019 and 2022. Autonomic nerves – neuron cell bodies include autonomic ganglia; Cells of sensory cranial nerves are arranged in the cranial nerve ganglia. Click the card to flip 👆. Introduction. The thoracic splanchnic nerves mainly contain the preganglionic (presynaptic) sympathetic fibers. The dorsal root ganglia (or spinal ganglia) are described as nodule-like structures found on the posterior roots of each spinal nerve, which contain the soma (or cell bodies) of the afferent sensory nerves carrying sensory signals back to the central nervous system (Figure 33. c. The most common type of sensory ganglion is a dorsal (posterior) root ganglion. Neural crest cells give rise to the entire trunk peripheral nervous system (PNS), both neurons and glia, including all the sympathetic and parasympathetic ganglia, adrenal medulla, carotid body, enteric nervous system (ENS), and the entire chain of dorsal root (sensory) ganglia, in addition to melanocytes. Normally, these excitatory cholinergic-nicotinic synapses produce large suprathreshold EPSPs on sympathetic and parasympathetic neurons to convey signals from the CNS. , (T/F) Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. B. Ganglia are of two types, sensory or autonomic. The sympathetic and parasympathetic divisions of the ANS have the same effect on most body organ systems. Introduction. A) the cell bodies of motor neurons D) first thoracic B) both somatic afferent and efferent neurons C) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons D) synapses between postganglionic fibers and their effectors. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. C. In the somatic nervous system, this includes dorsal root ganglia and trigeminal ganglia among a few others. Its motor component consists of preganglionic and postganglionic neurons. These antibodies. The two main neurotransmitters of the autonomic nervous system are. Page ID. synapses between postganglionic fibers and their effectors C. Most of the cell bodies of the sympathetic postganglionic neurons are found in the: sympathetic chain ganglia. In brain and spinal cord: preganglioinic, synapse on ganglionic neurons in peripheral ganglia (autonomic ganglia) 2. Select one: a. 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. both somatic afferent and efferent neurons b. oculomotor. the cell bodies of motor neurons. Autonomic ganglia, which contain the cell bodies of the autonomic nervous system. C) the cell bodies of motor neurons. both somatic afferent and efferent neurons. 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. P. 3. The nerve cell bodies that relay signals about incoming danger and stress are part of the sympathetic ganglia. 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. Autonomic ganglia contain A. Autonomic ganglia contain _____. clogging of preganglionic axon terminals with filaments. Where are autonomic ganglia located? autonomic ganglion. ganglia often also damage the autonomic ganglia, so patients with sensory gan-. The spinal ganglia or dorsal root ganglia contain the cell bodies of sensory neurons entering the cord at that region. The motor fibers, both somatic and autonomic, emerge as the ventral nerve root. 16-1 Autonomic Nervous System •Visceral Motor Neurons •Autonomic ganglia •Contain many ganglionic neurons •Ganglionic neurons innervate visceral effectors •Such as cardiac muscle, smooth muscle, glands, and adipose tissue •Postganglionic fibers •Axons of ganglionic neuronsthe dorsal root ganglia mainly contain A axons of motor neurons B synapses C axons of sensory neurons D cell bodies of motor neurons E cell bodies of sensory neruons. These GP have been shown to play a significant role in different arrhythmias, including AF. Autonomic ganglia contain. divisions of ANS. skeletal muscle. J. 6. E) dermatomes. Parasympathetic ganglia are located near or within the effector organs. , orthostatic hypotension. The pelvic ganglia are very unusual autonomic ganglia because they contain both sympathetic and parasympathetic neurons (Figs. g. Lumen Learning – Simple Book Production. a. synapses between postganglionic fibers. The autonomic ganglia and plexuses are a collection of ganglia where autonomic preganglionic neurons arising from the CNS synapse with postganglionic neurons outside the CNS, i. Neural processing occurs at several levels, figure 1. Ganglionic neurons innervate visceral effectors . Autonomic ganglia contain _____. The ganglia contain postganglionic visceral efferent neurons that receive synaptic input from preganglionic visceral efferent neurons. collections of nerve cells called autonomic ganglia. The ciliary ganglion is located within the bony orbit. both somatic afferent and efferent neurons Reset Selection Mark for Review. On average, unfused lumbar ganglia contain from about 60,000 to 85,000 nerve cell bodies (Webber, 1958). The vesicles release neurotransmitter molecules that diffuse. 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. Ganglia are 20,000 to 30,000 afferent and efferent nerve cell bodies that run along on either side of the spinal cord. A ganglion is a group of neuron cell bodies in the PNS. Human Anatomy & Physiology, Global Edition (Amerman) Chapter 14 The Autonomic Nervous System and Homeostasis. On average, unfused lumbar ganglia contain from about 60,000 to 85,000 nerve cell bodies (Webber, 1958). Parasympathetic: promotes “rest and digest” response, corresponds with calming of the body and enhances digestion. from those that contain just a few neurons, to those that contain over 400 neurons. Ganglia are 20,000 to 30,000 afferent and efferent nerve cell bodies that run along on either side of the spinal cord. A. c) The motor (output) division of the autonomic nervous system has three divisions: parasympathetic. cell bodies of motor neurons. function only during sleep. The third nerve emerges from the third or fourth ganglion joins the superior hypogastric plexuses. , List the names and numbers of the four cranial nerves that the parasympathetic division of the ANS arises from. somatic. Study with Quizlet and memorize flashcards containing terms like (T/F) The ANS stimulates smooth muscles, skeletal muscles and glands, whereas the somatic nervous system innervates skeletal muscles only. Will either excite or inhibit cells of glands, smooth or cardiac muscle. a) Structurally, the autonomic nervous system consists of two main components: a sensory (input) component and a motor (output) component . , Kapur, R. Ganglia often interconnect with other ganglia to form a complex system of ganglia known as a plexus. Ganglia can be thought of as synaptic relay stations between neurons. Key Terms. The PNS is composed of the groups of neurons (ganglia) and bundles of axons (nerves) that are outside of the brain and spinal cord. Impaired cholinergic ganglionic synaptic transmission is one important cause of autonomic failure. Cranial nerve ganglia are made up of cranial nerve neuron bodies. Fibers that enter and leave the sympathetic chain without synapsing form structures called. B). Ganglia are of two types, sensory or autonomic. , 1997; Minami et al. Anatomy The central part of the ANS consists of centers within the brainstem and the spinal cord, while the peripheral part is made up of autonomic fibers and ganglia of the PNS. The PNS is composed of the groups of neurons (ganglia) and bundles of axons (nerves) that are outside of the brain and spinal cord. False, Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. g. synapses between postganglionic fibers and their effectors c.