The nervous system

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  • This chapter students will be able to: List the basic functions of the nervous system; explain the structural and functional divisions of the nervous system; list the types of neuroglia and cite their functions; define neuron, describe its important structural components, and relate each to a functional role;...

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  • Chapter 11 - Fundamentals of the nervous system and nervous tissue (part b). In this chapter, you will learn: Define resting membrane potential and describe its electrochemical basis, compare and contrast graded potentials and action potentials, explain how action potentials are generated and propagated along neurons,...

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  • The brain and spinal cord compose the Central Nervous System (CNS), which is the control center of the body. Inputs from muscles, involuntary organs, and senses travel through the nerves of the Peripheral Nervous System (PNS) into the CNS where they are interpreted. Signals may travel within the brain to separate functional areas. Instructions are then sent outward again for voluntary movement and involuntary regulation to complete the endless loop of the nervous system circuitry.

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  • Abstract Critical to brain development is the proper growth and maturation of the axons underlying neuronal circuitry and communication throughout the nervous system. During development, the axon undergoes a remarkable process of outgrowth from the cell body, elongation, pathfinding to its target, differentiation of its synaptic junction, and establishment of connections with dendritic and/or somatic synapses. In the human brain, the most dramatic period of axonal development is midgestation to the end of the second year of life (i.e.

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  • In this chapter, students will be able to understand: Define synapse, distinguish between electrical and chemical synapses by structure and by the way they transmit information, distinguish between excitatory and inhibitory postsynaptic potentials, describe how synaptic events are integrated and modified,...

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  • Chapter 12 - The central nervous system (part a), the topics discussed in this chapter are: Central Nervous System (CNS), embryonic development, effect of space restriction on brain development, regions and organization of the CNS, ventricles of the brain,...and other contents.

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  • Chapter 12 - The central nervous system (part b), this chapter includes contents: Lateralization of cortical function, cerebral white matter, basal nuclei (ganglia), functions of basal nuclei, diencephalon, thalamus, thalamic function, hypothalamic function,...

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  • Chapter 12 - The central nervous system (part c), in this chapter you will learn about the following: Functional brain systems, limbic system, limbic system: emotion and cognition, reticular formation, reticular formation: RAS and motor function, electroencephalogram (EEG), brain waves,...and other contents.

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  • In this chapter, you will learn to: Define peripheral nervous system and list its components; classify general sensory receptors by structure, stimulus detected, and body location; outline the events that lead to sensation and perception; describe receptor and generator potentials and sensory adaptation; describe the main aspects of sensory perception.

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  • Chapter 13 - The peripheral nervous system and reflex activity (part b). This chapter define ganglion and indicate the general body location of ganglia, describe the general structure of a nerve, follow the process of nerve regeneration, name the 12 pairs of cranial nerves, indicate the body region and structures innervated by each.

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  • The peripheral nervous system and reflex activity (part c) provides knowledge of spinal nerves. The goal is for you to learn: Describe the formation of a spinal nerve and the general distribution of its rami; define plexus, name the major plexuses and describe the distribution and function of the peripheral nerves arising from each plexus.

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  • Chapter 14 provides knowledge of the autonomic nervous system. In this chapter, you will learn to: Define autonomic nervous system and explain its relationship to the peripheral nervous system; compare the somatic and autonomic nervous systems relative to effectors, efferent pathways, and neurotransmitters released; compare and contrast the functions of the parasympathetic and sympathetic divisions;...

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  • Reflexology is an ancient healing art that came to us from China, Egypt, and India and was rediscovered 100 years ago. Like other ancient healing modalities, we have been able to rediscover reflexology's many benefits, and we are able to use these benefits to assist us in alleviating the stresses of the modern world. Reflexology has the ability to bring about a state of relaxation, and because of this it is able to assist the body's own natural healing to take place. Reflexology is also able to complement other types of health care.

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  • A sound understanding of the structure and function of the human body in all of its intricacies is the foundation of a complete medical education. This classic work makes the task of mastering this vast body of information easier and less daunting with its many user-friendly features:

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  • This small atlas is a guide to the examination of patients with lesions of the peripheral nerves and nerve roots. Both motor and sensory testing are illustrated by extremely clear colour photographs.

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  • Modern theories of matter—Outer world only known to us by our sensations—Instances—Mill's system only intermediary between self and outer world—The great X of Matter—Nervous syst specificity of the nerves—The nervous system itself a sensation—Relations of sensation with the unk CHAPTER III THE MECHANICAL THEORIES OF MATTER ARE ONLY SYMBOLS .

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  • Sympathetic nerve stimulation induces vasoconstriction and consequent decreases nasal airway resistance. Parasympathetic nerve stimulation on the other hand, promotes secretion from nasal airway glands and nasal congestion. The nasal mucosa also contains nerves of the non-adrenergic, non-cholinergic (NANC)- system. Neuropeptides from the latter nerves (substance P, neurokinin A and K, and calcitonin gene-related peptide) are suspected to play a role in vasodilatation, mucus secretion, plasma extravasation, neurogenic inflammation, and mast cell nerve interactions.

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  • In recent years, all western industrialized countries, and to a growing extent even many developed and developing Asian nations, have witnessed a remarkable growth in numbers of older people [1]. Future projections anticipate continued increases, particularly in numbers of individuals who are 85 years and older [1]. Although US statistics have indicated recent declines in disability trends [2], overall numbers of older individuals living with disability and functional dependence are likely to increase given projected increases in life expectancy [3].

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