'Na channels' presentation slideshows

Nerve and Muscle

Nerve and Muscle. Physiology of nerve. The neuron. The basic structural unit of the nervous system. Structure: The soma The dendrites: antenna like processes The axon: hillock, terminal buttons. Types of nerve fibers. a- myelinated nerve fiber:

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Local anaesthetics

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Session 4 The Neuron

PS111 Brain & Behaviour Module 1: Psychobiology. Session 4 The Neuron. What are neurons good for?. Why do more complex organisms need a nervous system?. In complex organisms, cells ... on the inside of the body are not in direct contact with the outside world

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Nerve physiology

Nerve physiology. Physiology of Nerves. There are two major regulatory systems in the body, the nervous system and the endocrine system. The endocrine system regulates relatively slow, long-lived responses The nervous system regulates fast, short-term responses. Neuron structure.

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Ion Channels and Electrical Activity

Ion Channels and Electrical Activity. The Cell Membrane is Selective. Criteria for passage through the phospholipid bilayer : Hydrophobic Net zero charge Nonpolar Size is also a consideration Chemicals that will NOT pass through the phospholipid bilayer : Hydrophillic Charged, ionic

578 views • 47 slides

Ion Channels and Electrical Activity

Ion Channels and Electrical Activity. The Cell Membrane is Selective. Criteria for passage through the phospholipid bilayer : Hydrophobic Net zero charge Nonpolar Size is also a consideration Chemicals that will NOT pass through the phospholipid bilayer : Hydrophillic Charged, ionic

570 views • 47 slides

Physiology of the Nervous System

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Voltage-gated sodium channels

Voltage-gated sodium channels. Xiao Yu Institute of Physiology Shandong University, School of Medicine 2012-11-10. Sodium channel genes are latecomers to the 6TM Family. (Zakon HH, PNAS 2012). Sodium Channels - Structure.

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Agents used in cardiac arrhythmias

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Concepts of Biology: The Nervous System

Concepts of Biology: The Nervous System. This work is licensed under a Creative Commons Attribution 4.0 International License (CC-BY). Concepts of Biology Chapter 16: The Nervous System.

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Physiology of Autonomic Nervous System

Physiology of Autonomic Nervous System . DR QAZI IMTIAZ RASOOL. OBJECTIVES. 1. Recall the organization of ANS 2. Describe the different types of receptors in ANS 3. Express the characteristics and distribution of sympathetic and parasympathetic nervous system

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Electrochemical Potentials

Electrochemical Potentials. A. Factors responsible. 1. ion concentration gradients on either side of the membrane. - maintained by active transport. Electrochemical Potentials. A. Factors responsible. 2. selectively permeable ion channels. B. Gradients not just chemical, but electrical too.

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GST-P1 or not to be? TS to be?

GST-P1 or not to be? TS to be?. Heinz-Josef Lenz, MD Associate Professor of Medicine Co-Director, Colorectal Center Co-Director, GI Oncology Program USC/Norris Comprehensive Cancer Center USC Keck School of Medicine. Peripheral Neurotoxicity. Mechanism not well understood

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Bi/CNS 150 Lecture 5 Wednesday, October 9, 2013 Revised after lecture 10/9/13

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Membrane potential

Membrane potential. definition. It is the difference in electrical potential between the two sides of the membrane surface under resting conditions. The inside is negative relative to the outside of the membrane (polarized state). Measuring cell membrane potential.

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The Nervous System

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Action Potential: Overview

Action Potential: Overview. The action potential ( AP ) is a series of rapidly occurring events that change and then restore the membrane potential of a cell to its resting state

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Drugs affecting neuromuscular transmission

Drugs affecting neuromuscular transmission. Professor Ian Hughes, 9.83; i.e.hughes@leeds.ac.uk motor nerve - skeletal (striated) muscle ONLY

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CONDUCTION OF NERVE IMPULSES

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Resting Membrane Potential

Resting Membrane Potential. Whitney Theis March 31, 2006. Charge of a Cell. Normally a cell is more negative on the inside On average -70mV The negative charge forms a thin layer along the inside of the membrane. Major Players in Resting Potential. Na + , K + , and Cl -

580 views • 5 slides