'Voltage gated ion channels' presentation slideshows

Psychology 312-1

2.28k views • 204 slides

Resting Membrane Potential

Resting Membrane Potential. Membrane potential at which neuron membrane is at rest, ie does not fire action potential Written as Vr. Ionic Equilibrium Potential. Membrane Potential (potential difference across the plasma membrane) at which the net flow of an ion type = zero

1.47k views • 70 slides

Muscular System

Muscular System. Dr. Anderson GCIT. Function. Muscle is a collective term for tissue that causes movement of the body, or materials through the body Muscle can also serve other functions such as Stabilizing the body Producing heat. Muscle Tissue. Three main types of muscle

1.01k views • 63 slides

Session Outline

Presentation (~60mins ) - Very Brief Introduction to Fundamental concept in neuronal signaling (Membrane potential and Action Potential) - Part 1 (Electrophysiological properties of neurons and Signal processing)

574 views • 55 slides

UNIT V

UNIT V. Cell Signaling Part I. General principles of cell signaling, Extracellular signal molecule and their receptors, Acetylcholine and its receptor Dopamine and its receptor Operation of signaling molecules over various distances, Autocrine, paracrine endocrine

656 views • 48 slides

Neurons, Synapses, and Signaling

780 views • 48 slides

Part II Structure and Catalysis

Part II Structure and Catalysis. 5 Amino Acids, Peptides, and Proteins 6 The Three-Dimensional Structure of Proteins 7 Protein Function 8 Enzymes 9 Carbohydrates and Glycobiology 10 Nucleotides and Nucleic Acids 11 Lipids 12 Biological Membranes and Transport

758 views • 46 slides

Evolutionary Response to Chemicals in the Environment

Evolutionary Response to Chemicals in the Environment. Introduction to Detoxification enzymes (focusing on cytochrome P450s) Evolutionary response to toxins (pesticides) Evolution at the pesticide target Evolution of generalized detoxification mechanisms (e.g. cytochrome P450s).

577 views • 41 slides

Evolutionary Response to Chemicals in the Environment

Evolutionary Response to Chemicals in the Environment. Introduction to Detoxification enzymes (focusing on cytochrome P450s) Evolutionary response to toxins (pesticides) Evolution at the pesticide target Evolution of generalized detoxification mechanisms (e.g. cytochrome P450s).

412 views • 41 slides

Excitability

Introduction to Neurobiology - 2004. Excitability. Information processing in the retina. Artificial neural networks. Firing mode of thalamic neurons. Regular firing. A burster. Delayed Burst: Rebound from hyperpolarization. Isopotential model for passive neuron. R. C.

604 views • 40 slides

Transport of Ions and Small Molecules Across Cell Membranes

619 views • 40 slides

471 views • 38 slides

418 views • 36 slides

Neuroscience: Exploring the Brain, 3e

383 views • 36 slides

The Neuron and the Nervous System

The Neuron and the Nervous System. SGN 8. Overview of nervous system 3 overlapping functions Reception of signal Interpretation of signal Reaction based on signal. This is true on organismal and cellular level. Nerve signal pathway through organism

356 views • 35 slides

Origins of Membrane Potential in Cells

Origins of Membrane Potential in Cells. Biophysics 702 Chen Gu. What is membrane potential ? Why is it important? How is membrane potential generated? How do we calculate membrane potential ? How does membrane potential encode signals?

668 views • 32 slides

Mechanism of Drug Action

Mechanism of Drug Action Dr. Syed Ayaz Ali M.Pharm; Ph.D Associate Professor & Head Dept. of Pharmacology Y.B.Chavan College of Pharmacy Aurangabad. Mechanism of Drug Action. Pharmacodynamics

850 views • 32 slides

The Sodium-Potassium Pump

The Sodium-Potassium Pump. Consists of molecules in the neuronal membrane Exchanges NA+ ions for K+ ions across the membrane Requires energy for active transport of ions across the membrane. Membrane Permeability Determines Membrane Voltage. Membrane Voltage Determines Membrane Permeability.

1.18k views • 30 slides

Pharmacodynamics

59-291 Section 1, Lecture 7. Pharmacodynamics. Detailed mechanism of action by which drugs produce drug produce their biochemical and physiological effect Dose response relationship; relationship between drug concentration and magnitude of drug effect

887 views • 14 slides

Voltage-Gated Ion Channels

Lipid bilayer. Transmembrane segment (cylinder). Voltage sensor part of the channel. Pore. Voltage-Gated Ion Channels. Voltage-dependent ion channels play a fundamental role in the generation and propagation of the nerve impulse and in cell homeostasis.

329 views • 6 slides