The nervous system controls every aspect of body function. Peripheral Nervous System (PNS) All neural structures outside the brain 1 Sensory receptors 2 Peripheral nerves and associated ganglia 3 Motor endings. When Brian touches a hot object, which body structures help him react appropriately to protect himself? A nerve is the primary structure of the peripheral nervous system (PNS) that encloses the axons of peripheral neurons. Somatic Nervous System the part of the peripheral nervous system responsible for carrying sensory and motor information to and from the central nervous system. A nerve consists of many structures including axons, glycocalyx, endoneurial fluid, endoneurium, perineurium, and epineurium. The peripheral nervous system (PNS) has two components: the somatic nervous system and the autonomic nervous system. It is the major part of central nervous system and its weight is about : 350 grams at birth , 1400 grams in an adult man , It occupies a bony space called the brain case or the skull ( cranium ) , It is surrounded by three membranes called the meningies which are responsible for the protection and nutrition of brain … enteric nervous system peripheral structures, namely ganglia and nerves, that are incorporated into the digestive system organs enteric plexus neuronal plexus in the wall of the intestines, which is part of the enteric nervous system epineurium outermost layer of connective tissue that surrounds an entire nerve Peripheral Nervous System. Nervous system (anterior view) In this article, we’ll discuss the peripheral nervous system and its divisions, as well as the peripheral nerves.The peripheral nervous system (PNS) consists of all the nerves branching out of the brain and spinal cord (the central nervous system, CNS).If you imagine the CNS as the main highway, … Peripheral nervous system connections with various organs and structures of the body are established through cranial nerves and spinal nerves. Also refer: Peripheral Nervous System Peripheral Nervous System Though we began with the structure and function of nerve cells, it’s important to take a closer look at the PNS. ... “Central Nervous System: Structure, Functions and Diseases.” Medical News Today. It can regulate the strength of muscle contractility. Distinguish between somatic and autonomic structures, including the special peripheral structures of the enteric nervous system; Name the twelve cranial nerves and explain the functions associated with each; Describe the sensory and motor components of spinal nerves and the plexuses that they pass through Peripheral Nervous System. Neuroglia , myelin sheath , multiple sclerosis , depression , alzheimer´s and parkinson´s disease . Ranging from essential physiological processes (body temperature and the sleep-wake cycle), voluntary commands (), all the way to the most complex features of a human being (higher-order thinking and the whole spectrum of emotional behaviour).There are two structural divisions of the nervous system. The peripheral nervous system (PNS) is the network of nerves that send information from all parts of the body to the brain and spinal cord, a group called the central nervous system (CNS).There are many functions of the peripheral nervous system, all serving a general purpose of transferring information for … The central nervous system (CNS) is the part of the nervous system consisting primarily of the brain and spinal cord.The CNS is so named because it integrates the received information and coordinates and influences the activity of all parts of the bodies of bilaterally symmetric animals—i.e., all multicellular animals except … It regulates the internal homeostasis. In the peripheral nervous system, bundles of nerve fibers or axons conduct information to and from the central nervous system. A nerve provides a structured pathway that supports neuron function. Structure of a nerve. The structure of the nervous system is divided into multiple systems. The central nervous system (CNS) is the brain and spinal cord, and the peripheral nervous system (PNS) is everything else (Figure 1).The brain is contained within the cranial cavity of the skull, and the spinal cord is … The peripheral nervous system (PNS) is covered with two layers of meninges. Peripheral Nervous System: The major function of the peripheral nervous system is to transmit sensory information to the central nervous system and pass out motor impulses to the effector organs. For you visual learners I’ve included a nervous system diagram at the end of this article. The peripheral nervous system consists of the nerves that branch out from the brain and spinal cord.These nerves form the communication network between the CNS and the body parts. The peripheral nervous system has autonomic and somatic divisions. MediLexicon … These two components cooperate at all times to ensure our lively functions: we are nothing without our nervous system! Human nervous system - Human nervous system - The peripheral nervous system: The peripheral nervous system is a channel for the relay of sensory and motor impulses between the central nervous system on one hand and the body surface, skeletal muscles, and internal organs on the other hand. The nervous system can be divided into two major regions: the central and peripheral nervous systems. Structure of the nervous system: The human nervous system is divided into the central nervous system (CNS) and the peripheral nervous system (PNS). The fine structure and gross anatomy of peripheral nerves and ganglia are described. The peripheral nervous system includes all the nerves that go from the skin, muscle, and organs to the spinal cord and, eventually, the brain. Neurological System Structure and Function Peripheral nervous system o Cranial nerves: enter/exit brain, mainly supply head and neck Spinal nerves: 31 pairs supply rest of body, mixed motor and sensory o 8 cervical o 12 thoracic o 5 lumbar o 5 sacral o 1 coccygeal Autonomic nervous system: o somatic & autonomic o nerves … Our nervous system is divided in two components: the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which encompasses nerves outside the brain and spinal cord. Peripheral Nervous System Functions. Additionally, the nervous tissue that reach out from the brain and spinal cord to the rest of the body (nerves) are also part of the nervous system. A functional and regional approach is used to highlight principles on which the peripheral nervous system is designed. The PNS consists of all of the nerves that lie outside the brain and spinal cord. 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