e. What are the 3 major Prevertebral ganglia? The celiac, superior, and inferior mesenteric ganglia are the major components of the prevertebral ganglia (PVG). use preganglionic and postganglionic neurons to innervate skeletal muscle. In addition to the ganglion of the peripheral nervous system, there are also parts of the brain that contains a cluster of interconnected nuceli called the basal ganglia. skeletal muscle. Ganglion: A ganglion is a peripheral nervous system structure, which contains cell bodies of a group of neurons. ANP IN CLASS QUESTIONS. The synapse in pathway B has several possible locations. B. 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. A) Sympathetic B) Parasympathetic, Active after you have eaten a meal. Microscopic structure: Autonomic ganglia contain the ganglionic neurons, satellite glial cells, and small intensely fluorescent cells. 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. Autonomic ganglia, which contain the cell bodies of the autonomic nervous system. Study with Quizlet and memorize flashcards containing terms like Which of the following is a way in which the somatic and autonomic nervous systems are similar? -Both systems have ganglia in their motor pathways. Which nervous system division works antagonistically to the sympathetic nervous system? adrenergic. Ganglion cells are large neurons with pale nucleus, prominent nucleolus and well developed rER that forms basophilic clusters in the cytoplasm (Nissl substance). The benefit of adding ablation of the autonomic ganglia to the standard pulmonary vein (PV) isolation procedure for patients with paroxysmal AF is supported by both experimental and clinical data. The cell bodies of the preganglionic neurons are in the brainstem or spinal cord of the central nervous system (CNS). It is located behind the eye. general visceral motor system. In the model the sympathetic chain ganglia are bright pink and. Autonomic ganglion neurons also contain a variety of neuropeptides. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. In addition to norepinephrine, these vesicles contain smaller amounts of a variety of other biologically-active substances like opioids,. B) cardiac muscle. Autonomic ganglia contain ________. Autonomic ganglia are _____ ganglia which contain _____. Normally, these excitatory cholinergic-nicotinic synapses produce large suprathreshold EPSPs on sympathetic and parasympathetic neurons to convey signals from the CNS. In most ganglia there are subsets of neurons with. An autonomic nerve pathway involves two nerve cells. • The preganglionic parasympathetic neurons lie in the Inferior salivatory nucleus in the Medulla. The parasympathetic nervous system is organized in a manner similar to the sympathetic nervous system. c. the cell bodies of motor neurons. Pelvic and bladder ganglia. These fibers synapse with the autonomic ganglia, from which the postganglionic (postsynaptic) fibers convey the sympathetic inputs to the abdominal organs. 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. both somatic afferent and efferent neurons D. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons d. 4: Autonomic Short and Long Reflexes. Autonomic ganglia are sights of synapse and information transmission from preganglionic to postganglionic neurons. 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. These motor neurons are responsible for transmitting signals from the central nervous system to the effector organs. Tear production is influenced by parasympathetic fibers in the facial nerve, which activate a ganglion, and ultimately the lacrimal (tear) gland. It is formed by cardiac branches derived from both the sympathetic and parasympathetic nervous systems. True or False? Autonomic ganglia are sights of synapse and information transmission from preganglionic to. Ganglion (Neuroanatomy)The sympathetic ganglia, or paravertebral ganglia are autonomic ganglia, of the sympathetic nervous system. from those that contain just a few neurons, to those that contain over 400 neurons. 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). Which of the following is not a result of parasympathetic stimulation? dilation of the pupils . A deficiency of α3, β2 or β4 subunits leads to multiorgan autonomic dysfunction in experimental animals. Ganglionic neurons form many axodendritic synapses with preganglionic. 34)Autonomic ganglia are motor ganglia, containing 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. synapses between postganglionic fibers and their effectors. The cardiac autonomic nervous system (cANS) regulates cardiac adaptation to different demands. Briefly describe the 4 possible options for a preganglionic axons once it enters the sympathetic trunk ganglia. Structure. A ganglia is merely a collection of neuron cell bodies in the peripheral nervous system. Sympathetic chain, E. 1) (Standring, 2008). an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. C) adipose tissue. both somatic afferent and efferent neurons. Autonomic ganglia can be classified as either sympathetic ganglia and parasympathetic ganglia. After the synapse in the autonomic ganglion, the second fiber is referred to as the postganglionic fiber as it passes to the effector organ, in this case cardiac or smooth muscle, glands or gastrointestinal neurons. both. All thoughts, beliefs, memories, behaviors, and moods. Sensory trigeminal neurons are also involved in. the cell bodies of motor neurons. The sympathetic ganglia also contain interneurons that receive preganglionic synapses and form efferent synapses with some of the principal ganglion cells. in the peripheral nervous system. Sensory ganglia (such as DRG and trigeminal ganglion) have NO synapses within them. Parasympathetic ganglia are located near or within the effector organs. The neurons that originate. The. True. 14. 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. False. in the autonomic ganglia, close to the spinal cord. , Once a preganglionic axon reaches a trunk ganglion, one of three things can happen to the axon. There are numerous conglomerations of autonomic ganglia on the epicardial surface of the heart, known as ganglionated plexi (GP). Cranial nerve ganglia contain the cell bodies of cranial nerve neurons. 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 __?__. True b. Cranial nerve ganglia are made up of cranial nerve neuron bodies. Which of the following is not a result of parasympathetic stimulation? dilation of the pupils. The cell bodies of the postganglionic neurons are in autonomic ganglia located. B) synapses between postganglionic fibers and their effectors. the cell bodies of motor neurons. splanchnic nerves. Otic Ganglion - Parasympathetic Roots. Synapses in autonomic ganglia represent the final output of various CNS structures that regulate the function of the periphery. ; cholinergic: Pertaining to, activated by, producing, or having the same function as acetylcholine. Key Terms. The site(s) of origin of the preganglionic fibers of the parasympathetic nervous system is (are) the ____. Each trunk consists of ganglia connected by fibers, like a string of beads. D. 1. Autonomic ganglia contain the cell bodies of autonomic nerves. Others may exist presynaptically to control transmitter release from presynaptic nerve endings. 35)The craniosacral division is another name for the parasympathetic division. synapses between postganglionic fibers. The autonomic nervous system. . e. The ganglia contain postganglionic visceral efferent neurons that receive synaptic input from preganglionic visceral efferent neurons. Autonomic ganglia contain ________. 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. e. The ganglion cells of the autonomic nerves are located either outside the heart (extrinsic) or inside the heart (intrinsic). Study Ch. , Hirsch, M. J. sensory (afferent) neurons - input to CNS from sensory receptors; dendrites. Autonomic ganglia contain _____. , 1996). synapses between postganglionic fibers and their effectors c. In addition, many individuals with autonomic neuropathy have circulating antibodies against ganglionic nicotinic receptors. The cell bodies of motor neurons . ventral root: Also called the anterior root, it is the efferent motor root of a spinal nerve. -Both systems share common efferent pathways. bowel movements). False, Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. Figure 14. Tear production is influenced by parasympathetic fibers in the facial nerve, which activate a ganglion, and ultimately the lacrimal (tear) gland. Multiple select question. brain stem and the sacral region of. The definition of autonomic tone is: a) the communication between the autonomic nervous system and the somatic nervous system. 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 to the appropriate integration center. neurons lie in sensory ganglia. 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. the cell bodies of motor neurons. The nature of these ganglionic neurons i. - are composed of PNS structures only. Ganglia can be classified into sensory or autonomic types. Table quiz. Be able to sketch the different arrangement of pre- and post-ganglionic fibers in the nervous system (CNS vs. -activates β2 adrenergic receptors. 16-1 Divisions of the ANS. 34. submandibular ganglion. The post-ganglionic neurons are directly responsible for changes in the activity of the target organ via biochemical modulation and neurotransmitter release. Ganglionic neurons innervate such things as. bipolar cells signal the presence of contrast in a visual scene. 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. Submandibular (CN VII). A) Sympathetic B) Parasympathetic and more. both somatic afferent and efferent neurons b. A. The terms “body” and “mass,” being similar to the coccygeal body, suggest that these ganglia are larger in size than most ganglia and are histologically unique, as they contain many non. The route of major parasympathetic outflow from the head is via the ________. The parasympathetic division is a branch of the somatic nervous system. Cutaneous effectors such as blood vessels, sweat glands, and errector pili muscles are innervated by _____. Autonomic ganglia contain ____. Study with Quizlet and memorize flashcards containing terms like Pre vertebral ganglia are located anterior to the _____ _____ on the anterolateral surface of the _____ . It is the largest of the three ganglia of the cervical. Click the card to flip 👆. Autonomic ganglia contain __?__. The histological features of the sensory ganglia are similar to those of the autonomic ganglia apart from a few key differences. Key facts about the descending pathways of the autonomic nervous system. Ganglionic neurons: innervate visceral effectors: smooth muscle, glands, cardiac muscle, adipose. Axons called postganglionic; begin at autonomic ganglia and. , Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. vagus nerve. division that is dominant during exercise excitement, emergenices. A) Sympathetic B) Parasympathetic, Collateral ganglia. 46 terms. 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). A ganglion appears as a swelling along the course of a nerve. 4). Contain many ganglionic neurons. Ganglia are in or near the target organ. Ganglionic neurons innervate visceral effectors . an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. both somatic afferent and efferent neurons b. Cardiac plexus. Expert Answer. and clusters of autonomic ganglia, known as ganglionated plexi (GP), which contain from a few neurons to over 400 neurons (2,3). Visceral organs and structures maintain a base level of function without innervation. dorsal root: Also known as the posterior root, the afferent sensory root of a spinal nerve. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. Disease processes that affect the sensory ganglia often also damage the autonomic ganglia, so patients with sensory ganglionopathies may also have dysautonomia (e. Cant) The internal anatomy of the spinal cordAfter the synapse in the autonomic ganglion, the second fiber is referred to as the postganglionic fiber as it passes to the effector organ, in this case cardiac or smooth muscle, glands or gastrointestinal neurons. The superior cervical ganglia are involved in the autonomic nervous system. Autonomic ganglia contain _____. , Which of the following would the autonomic system not control? a. John B. , List two types of sympathetic ganglia that contain post-ganglionic cell bodies. 4: Autonomic Short and Long Reflexes. the cell bodies of motor neurons c. Other articles where autonomic ganglion is discussed: human nervous system: The autonomic nervous system:. In human fetuses, the ganglion cardiacum has also been called the juxtaductal body [ 19] and the aortico-pulmonary ganglionic mass [ 20 ]. a. Autonomic ganglia contain _____. 3. Answer: True FalseAutonomic ganglia contain: a. 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 their target organs. A ganglion is a group of neuron cell bodies in the periphery. com An autonomic ganglion is a cluster of nerve cell bodies (a ganglion) in the autonomic nervous system. ; postganglionic neuron: A nerve cell that is located. Autonomic ganglia contain ________. ANP IN CLASS QUESTIONS. B. The arrangements and naming of autonomic ganglia and nerves, with minor exceptions, is the same in all mammals. The two types are the sympathetic ganglion and the parasympathetic. 3 and 34. A. ANP IN CLASS QUESTIONS. There are 31 spinal nerves, named for the level of the spinal cord at which each one emerges (Figure (PageIndex{1})). 3. skeletal muscle. What info does the dorsal root ganglion contain? afferent info only. Autonomic ganglia contain _____. , What does a posterior (dorsal) root ganglion contain?Autonomic ganglion. The autonomic nervous system is comprised of (clustered) nerve cells, (neurons), that have a characteristic tree-like structure. , Autonomic ganglia are sights of synapse and information transmission from preganglionic to postganglionic neurons. An autonomic ganglion is a cluster of nerve cell bodies (a ganglion) in the autonomic nervous system. It makes continuous adjustments of the cardiac mechanical and electrical activity and it consists of a network of neurons that communicate with each other and with neurons located in the extracardiac thoracic ganglia, all under. E. Sensory ganglia contain the somata of neurons that innervate most body parts. As autonomic motor neurons leave the spinal cord, they synapse with another neuron prior to synapsing with the target organ. D. 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. One of the questions is about the location of autonomic ganglia, which are the cell. a) Structurally, the autonomic nervous system consists of two main components: a sensory (input) component and a motor (output) component. Sympathetic: promotes “fight or flight” response, corresponds with arousal and energy generation, inhibits digestion. [1] [2] References ^ "Structure of the Autonomic Nervous System - Boundless Anatomy and Physiology". Has two. synapses between postganglionic fibers and their effectors. C. These ganglia contain the cell bodies of neurons with axons that are sensory. Ganglionic AChR antibodies are found in many patients with autoimmune autonomic ganglionopathy (AAG). Ganglia are observed in both somatic and autonomic nervous systems and differ based on their location and the types of neurons they contain. Autonomic nervous system functions are regulated by the hypothalamus, which controls autonomic nervous system regions in the ______. Chapter 51 Neurology: Autonomic Nervous System PARASYMPATHETIC NERVOUS SYSTEM osms. In the autonomic nervous system, there are both sympathetic and parasympathetic ganglia which contain the cell bodies of postganglionic. It is about 2-3 mm in diameter. Autonomic ganglia contain _____. T/F: The sympathetic division innervates more organs than the parasympathetic division. and more. The cell bodies of motor neurons. It is situated anteriorly to the superior orbital fissure, between the lateral rectus muscle and the optic nerve. synapses between postganglionic fibers and their effectors. 3. divisions of ANS. A) cardiac muscle. ; adrenergic: Containing or releasing adrenaline. Autonomic ganglia contain autonomic neuron bodies. Involuntary Somatic Spinal Autonomic Cranial . Such adrenergic terminals have been found to form synapses with both adrenergic and non-adrenergic, presumably cholinergic, nerve cells. (2) The superior mesenteric ganglion. [ edit on Wikidata] The sympathetic ganglia, or paravertebral ganglia, are autonomic ganglia of the sympathetic nervous system. In the parasympathetic division, Phox2b mainly targets the nodose ganglion, while Wnt1 targets the jugular ganglion . Autonomic ganglia, which contain the cell bodies of the autonomic nervous system. 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. lateral gray horns of the spinal cord. synapses between postganglionic fibers. 16) Autonomic ganglia contain _____. The esophageal plexus and the cardiac plexus contain the same types of fibers and are both considered thoracic autonomic plexus(es). Parasympathetic ganglia are located near or within the effector organs. 35)The craniosacral division is. "rest and digest". which contain five NE subtypes and two ACh subtypes . A. As would be suggested by the name, nicotine is an agonist of nicotine receptors and is best known as a component of tobacco products and for its role in addiction. autonomic ganglia contain. sympathetic origin is craniosacral, parasympathetic is thoroacolumbar. C. The cardiac plexus is a network of autonomic nerves and ganglia situated at the base of the heart. The pelvic ganglia are very unusual autonomic ganglia because they contain both sympathetic and parasympathetic neurons (Figs. In the autonomic nervous system there are two neurons in the pathway from the spinal cord to the effector organ. cell body of this autonomic neuron lies within the CNS. So the correct option is E. R. SNS ganglia are found close to the SNS centers, in contrast with PSNS ganglia which are farther from the PSNS centers. . An. For example, the cells of sensory ganglia are usually unipolar or pseudounipolar with centrally placed nucleus. synapses between postganglionic fibers. The neurons support these additional inputs via larger dendritic arborisations together with a higher. 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). Autonomic ganglia contain A. Autonomic ganglion neurons also contain a variety of neuropeptides. Consequently, these neurons are important sites for central autonomic integration and modulation. the division of the autonomic nervous system that arouses the body, mobilizing its energy in stressful situations. The perineurium packages groups of nerve fibers together into bundles called fasiculi. C) posterior ramus. The autonomic nervous system plays a central role in the pathogenesis of multiple cardiac arrhythmias, including atrial fibrillation and ventricular tachycardia. Ganglia are of two types, sensory or autonomic. There is the soma, (main cell body), the dendrites, ( branches extending in all directions), the axon, (an elongation of the soma) and the axon terminals. The vagal. Study A&P In Class 20 flashcards. Facial. 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 . In Class 20. This ganglion lies between the tensor veli palatini muscle and the mandibular nerve just below the foramen ovale. 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. Its cell body and dendrites are located in an autonomic ganglion, where it forms synapses with one or more preganglionic axons. Autonomic ganglia. (3) The inferior mesenteric ganglion (4) The aorticorenal ganglion and (5) the renal ganglion. The lumbar ganglia have variable anatomical connections with the lumbar spinal nerves and distribute fibers with the lumbar splanchnic nerves to the inferior mesenteric and hypogastric plexuses and the aortic plexus (Fig. 2). 20) Autonomic ganglia contain A) the cell bodies of unipolar neurons B) the cell bodies and dendrites of multipolar neurons C) both somatic afferent and efferent neurons D) an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. the parasympathetic fibers of the ___nerves innervate smooth muscles of the eye that cause the lenses to bulge to accommodate close vision. Gray rami are gray because they contain. Find more information about Autonomic Nervous System: Sympathetic nervous system. In Class 20. a. Sensory input can stimulate either a short or a long reflex. The parasympathetic division is a branch of the somatic nervous system. A). B. The autonomic nervous system consists of sympathetic and parasympathetic branches. Ganglia are of two types, sensory or autonomic. Pelvic ganglion. Autonomic ganglia contain _____. A ganglion is a cluster of neuron cell bodies enveloped in an epineurium continuous with that of a nerve. being postganglionic sympathetic or local circuit neurons is unknown. There are other drugs that are α-blockers and can affect the sympathetic system in a similar way. Study with Quizlet and memorize flashcards containing terms like Short preganglionic, long postganglionic fibers. The preganglionic neurons are located in specific cell groups (also called nuclei) in the brainstem or in the lateral horns of the spinal cord at sacral levels (segments. , Science 354:893–897, 2016). an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. Autonomic ganglia contain _____. True B. The parasympathetic fibers of the___ nerves innervate smooth muscles of the eye, the muscles that cause the eye to buldge to accomidate close vision. The dorsal root ganglia contain cell bodies for sensory nerves that carry sensory. The preganglionic sympathetic neurons lie in the intermediolateral column of the cord. Autonomic ganglia contain _____. The autonomic. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons. . Autonomic ganglia contain the cell bodies of motor neurons. c. False, Autonomic ganglia are. False. autonomic ganglia contain. 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. "fight or flight". Are located in. an outer connective tissue capsule around the cell bodies of. synapses between postganglionic fibers and their effectors Autonomic ganglia contain _____. a. What is found in autonomic ganglia? The last common neurons that innervate the organs necessary for maintaining homeostasis are found in the autonomic ganglia. E) dermatomes. are voluntary. 34)Autonomic ganglia are motor ganglia, containing the cell bodies of motor neurons. synpases between upper and lower motor neuronsAutonomic ganglia contain 1. 4). These ganglia are key components in the autonomic nervous system, which governs involuntary body functions like heart rate and digestion. This ganglion lies between the tensor veli palatini muscle and the mandibular nerve just below the foramen ovale. Sally sustained damage to some autonomic ganglia. Nerves are classified as cranial nerves or spinal nerves on the basis of their connection to the brain or spinal cord, respectively. The terminal branches of postganglionic axons have preterminal and terminal varicosities (enlargements) that contain synaptic vesicles. 3. The craniosacral division is another name for the parasympathetic division. , Kapur, R. Autonomic ganglia contain the cell bodies of motor neurons. Autonomic ganglia contain the cell bodies of autonomic nerves. Autonomic ganglia contain the cell bodies of motor neurons. g. Such as cardiac muscle, smooth muscle, glands, and adipose tissue. Basal ganglia The term "ganglion" refers to the peripheral nervous system. C) the cell bodies of motor neurons. Scattered microganglia may also be distributed along. d. The information enters the ganglia, excites the neuron in the ganglia and then exits. The ganglia are surrounded. Sympathetic Chain Ganglia o Postganglionic fibers innervating structures in thoracic cavity form bundles Sympathetic nerves 16-2 The Sympathetic Division Sympathetic Chain Ganglia o Each sympathetic chain ganglia contains: 3 cervical ganglia 10–12 thoracic ganglia 4–5 lumbar ganglia 4–5 sacral ganglia In brain and spinal cord: preganglioinic, synapse on ganglionic neurons in peripheral ganglia (autonomic ganglia) 2. both somatic afferent and efferent neurons Reset Selection Mark for Review. B- posterior root ganglion. The oculomotor fibers initiate pupillary constriction, whereas the facial and glossopharyngeal fibers both initiate. - are composed of PNS structures only. The autonomic nervous system. Three of the cranial nerves also contain autonomic fibers, and a fourth is almost purely a component of the autonomic system. but it will contain sensory fibers and autonomic fibers to the vasculature and may also contain fibers supplying the autonomic. An inhaler used to treat airway constriction in asthma or allergy might contain a drug that. g. A couple of common versions of β-blockers are metaprolol, which specifically blocks the β 2 -receptor, and propanolol, which nonspecifically blocks β-receptors. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons c. . PNS - including sympathetic & parasympathetic) Be able to label each fiber in the diagram on the bottom of page 16.