'Voltage gated channels' diaporamas de présentation

Introduction to CNS pharmacology

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Voltage-Gated Ion Channels in Health and Disease

Voltage-Gated Ion Channels in Health and Disease. jdk3. Principles of Neural Science, chapter 9. Voltage-Gated Ion Channels in Health and Disease. Multiple functions of voltage-gated ion channels Neurological diseases involving voltage-gated ion channels.

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Neurones

Neurones. Schwann cells form myelin sheath. Types of neurone. There are several different types of neurone:. sensory neurones:. receptor organs. CNS. relay neurones:. motor neurones. sensory neurones. motor neurones:. effectors. CNS. Structure of neurones.

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Nerve Impulses

Nerve Impulses. Membrane Potentials. All living cells maintain a difference in the concentration of ions across their membranes. There is a slight excess of positives on the outside and a slight excess of negatives on the inside.

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RESTING MEMBRANE POTENTIAL

RESTING MEMBRANE POTENTIAL. By Dr. Ayisha Qureshi Assistant Professor, Physiology MBBS, MPhil. OBJECTIVES. By the end of this lecture, you should be able to: Define Nernst potential Use the Nernst equation to calculate the values of Nernst potential for Na, K & Cl

905 views • 32 slides

Voltage gated channels

Voltage gated channels. Molecular structure Na + , K + , Ca ++ Cl - Voltage sensing Action potential Calcium signaling. Core voltage-gating functional unit. 6 transmembrane segments One charged Pore facing Ion selectivity & V-dependence Tetrameric organization

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Bi / CNS 150 Lecture 2 Friday, October 4, 2013

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Voltage Gated Channels

Voltage Gated Channels. By Nick and Becky. What Are They?. Voltage-gated ion channels are membrane proteins that enable selected inorganic ions to pass across the cell membrane. They play a key role in the electrical signalling of neurons. How does it work?.

298 views • 5 slides