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Structure of a Neuron Structure of a Neuron cell body nucleus dendrites axon Schwann cell nucleus myelin sheath node of Ranvier Schwann cell terminal branches ...
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Peripheral Nerve, Cross Section. 6. Myelinated Nerve, Cross ... Microglia - rabbit. 17. Cerebellar Cortex. 18. Cerebellum - cat. 19. Purkinje Cells - Cat ...
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CELL BODY. AXON. Myelin sheath. Schwann cell. Node of Ranvier. Synaptic terminals. Dendrites. Nucleus. Synapses ...
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axon. Schwann cell nucleus. myelin sheath. node of Ranvier. Schwann cell ... The axon carries the impulse from the cell body toward the synaptic knobs where ...
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P 27 A. P 27 B. P 27 C. P 28 A. P 28 B. P 29 A. P 29 B. P 29 C. P ... PERIKARYON. P 30 B. AXON. AXON. TERMINAL BOUTONS. SCHWANN CEL*L. NODE OF RANVIER. P 31 A ...
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As nodes narrow and mature, sodium channel density increases. Potassium channels cluster later and shift their position. They first appear at nodes, ...
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Neurons. Structures: Axon: long-stem that extends to dendrite of another neuron. Axon hillock: where the axon meets the cell body. Dendrite: receiving node of the neuron
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soma usually of the trunk of the main axon. Afferent axons ... [automobile analogy] Multiple Sclerosis. destruction of myelin. Nodes ...
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Neuron Structure and Function Nervous System Nervous system is composed of specialized cells called neurons. ... Axons carry impulses away from cell body.
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Title: BIO 342 HUMAN PHYSIOLOGY Author: GRDJ Keywords: First Classmeeting Description: Class organization, intro to homeostasis. Last modified by
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Neurophysiology Regions of the Brain and Spinal Cord White matter dense collections of myelinated fibers Gray matter mostly soma and unmyelinated fibers ...
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Nervous systems Keywords (reading p. 960-976) Nervous system functions Structure of a neuron Sensory, motor, inter- neurons Membrane potential Sodium potassium ATPase ...
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LECTURE 5: Nerve Impulses
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Saltatory Conduction - speeding up of neuronal signalling Exposed areas on neuron with many voltage-gated sodium channels, able to depolarize and pass on signal ...
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But move to paranode and then juxtaparanode as structure matures. ... SINCE ONLY FULLY MATURE FIBERS CONDUCT FAST ENOUGH TO MAKE THEM UNNEEDED. ...
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Neurons. Ted Miles. Neuron structure. Composed of: Dendrites- receive information ... Body has both myelinated and nonmyelinated fibers ...
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Absolute Refractory Period. Sodium gates are firmly closed ... Relative Refractory Period. Sodium gates in usual state, but the potassium gates remain open. ...
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NOTES: CH 48 Neurons, Synapses, and Signaling
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3 5 4 6 7 2 8 1 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Optic chiasm Thalamus Hypothalamus Pineal gland Superior colliculus Inferior ...
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Identify the principle parts of the nervous system Describe the cells that make up the nervous system Describe what starts and stops a nerve impulse (action potential ...
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How does culture influence ingroup-outgroup relations? Ingroup: A group of people with whom one shares a sense of belonging or a feeling of common identity ...
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Title: How do neurons communicate? Author: Preferred Customer Last modified by: sbarron Created Date: 1/23/2003 4:33:38 AM Document presentation format
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within neurons electrically. between neurons chemically. Synapse space between neurons. How do neurons communicate
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Overview of the Nervous System ... CNS and carries motor commands to peripheral tissues Afferent division brings sensory info from receptors Efferent division ...
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Nervous System A basic overview Mrs. S. Taylor
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All are sensory afferent. Cell bodies are located in the dorsal root ganglia. 8. Cell Body ... Neurons between the afferent and efferent neurons. Are only in ...
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Functional Organization of Nervous Tissue Chapter 11
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Chapter 13 Nervous System (Part 1) An electro - - chemical system. * * Computer Assisted Tomography (CAT) scan * Magnetic Resonance Imaging (MRI) scan * * The ...
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The Human Nervous System 35-1 Name the three parts of a neuron. Describe the way in which a nerve impulse occurs. Can you label a neuron? Cell body Nucleus Dendrites ...
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c) efferent = motor neuron (response) Neuron. Cell Body with nucleus = Perikaryon ... CNS efferent and afferent; PNS Efferents. Fibrous Processes. Axons ...
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Title: Slide 1 Author: Michael Sheridan Last modified by: Mike Created Date: 1/23/2006 1:51:49 AM Document presentation format: On-screen Show (4:3)
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Title: PowerPoint Presentation Author: Isabel Sumaya Last modified by: Installer Created Date: 6/2/2003 2:53:11 AM Document presentation format: On-screen Show
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Action Potential and Properties of Nerves . ( )
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Nerve Cells and Nerve Impulses Animal Cells Membrane: separates the inside of the cell from the outside environment comprised of two layers of lipids with proteins ...
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Class Topics Nervous System Review
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Neurons Structure and Conduction of a Nerve Impulse Two coordinating systems which respond to environmental stimuli Nervous System & Endocrine (hormone) System Begin ...
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The Nervous System Nervous System Nervous System: Collects information, processes, and responds to internal and external environment Overview of Nervous System ...
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Title: PowerPoint Presentation Author: Karen Lancour Last modified by: Mark-VanHecke Created Date: 8/28/2004 2:03:55 AM Document presentation format
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Analogy = Chocolate chip cookie where the glia are the dough and the neurons are ... Nerve cells of the Parasympathetic Ganglia Myenteric Plexus ...
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CHAPTER 14 Nervous Tissue * * * * * * * * * * * * * * * * * * * * * * * * * * * Synapse The connection between 2 or more nerves and they ...
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Nervous Tissue Dr. Michael P. Gillespie
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The differences in electrical charges between. the inside of the ... Cl-: Anion (-) A-: Anion (-) Ratio of negative to positive. is greater inside than outside ...
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Explaining behavior at the level of the neuron Your brain and the rest of your nervous system is made up of neurons. Neurons are brain cells All neurons are separated ...
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Short-lived, local changes in membrane potential. Decrease in intensity with distance ... Symptoms include visual disturbances, weakness, loss of muscular control, and ...
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Neuron receives 2 depolarizing stimuli through the same synapse ... Dendrite. Synapse. Neuronal. Cell Body. Neurons Work In. Pathways (Or Circuits) Pre-Synaptic ...
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Nervous System: General Principles Anatomy & Physiology 1 Tony Serino. Ph.D. Biology Dept. Misericordia University
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The Nervous System
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Maintaining Homeostasis. Nervous System consists of: Central Nervous System (CNS) consisting of the brain and spinal cord. Peripheral nerves, called
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The Neuron & Action Potential The basic building block of our nervous system and how it sends messages.
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The Nervous System Central Nervous System (CNS) Peripheral Nervous System (PNS) Do Now: Get Your Clicker! ... receive sensory info Afferent division ...
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Natural Science 04 Nerve Impulses
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Cellular Neuroscience (207) Ian Parker Lecture # 5 - Action potential propagation http://parkerlab.bio.uci.edu The problem axons are not a very good electrical ...
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12 Fundamentals of the Nervous System and Nervous Tissue
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Natural Science 04 Nerve Impulses
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The Nervous System Nervous System ... Peripheral Nervous System 12 cranial nerve pairs and 31 spinal pairs = 43 pairs of nerves ... Let s Review w/ a Quiz or ...
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Chapter 12 Nervous Tissue Overview of the nervous system Cells of the nervous system Electrophysiology of neurons Synapses Neural integration
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