'Ligand gated' diaporamas de présentation

Introduction to Membrane Channels and Pumps

Introduction to Membrane Channels and Pumps. Ach receptor channel Patch-clamp techniques Ligand-gated and voltage gated channels Action potentials Neurotoxins Molecular structure of sodium channel Gap junctions Common features of membrane channels Active transport

2.52k views • 50 slides

BIOPHYSICS OF ACTION POTENTIAL & SYNAPSE

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BIOPHYSICS OF ACTION POTENTIAL & SYNAPSE

407 views • 40 slides

Receptors & Transmitters

DENT/OBHS 131 Neuroscience. Receptors & Transmitters. 2009. Learning Objectives. Know what criteria are used to define a neurotransmitter Recall the major different categories of transmitters

483 views • 36 slides

Synaptic transmission

Synaptic transmission. Chapter 6 pages 156 - 169. Information transmission. Action potentials (APs) initiated by depolarizing stimulus Two general sources of depolarizing stimulus in neurons Receptor potentials from sensory transduction Information transmission between neurons

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SYNAPTIC POTENTIALS, TRANSMITTERS, & DRUG ACTIONS

SYNAPTIC POTENTIALS, TRANSMITTERS, & DRUG ACTIONS. Graded potentials on the post-synaptic membrane: depolarization and hyperpolarization; ligand-gated mechanisms (2) What happens at a synapse? A. ? Transmitter release ? Recognition by receptors on post-synaptic membrane

307 views • 12 slides

neural communication

neural communication. electrical within, chemical between. vesicles, exocytosis, & binding. the big picture. ACTION POTENTIAL (voltage-gated channels). GRADED POTENTIALS EPSP/IPSP (ligand-gated channels). graded potentials & membrane. sodium (Na+) potassium (K+) chloride (Cl-).

224 views • 11 slides