sp_lect4 - 2. Uptake 3. Diffusion Neuromuscular junction...

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January 25, 2007 Action potential: changes in ionic permeability Fig 8.13, 8.15, 8.19, 8.17, 8.5, 8.20 Saltatory conduction Fig 8.4? Around 10 times faster than unmyelinated Myelin sheath Fig 8.5 Neuron synapses Fig 9.1 Anatomy of a synapse Fig 9.2 Axon terminal has a large number of vesicles, trans-membrane proteins, voltage gated Ca channels. [Ca] high outside, low inside of a neuron. Removal from axon: 1. Enzymatic
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Unformatted text preview: 2. Uptake 3. Diffusion Neuromuscular junction Fig 12.14, 12.15 Fast excitatory synapse Fig 9.4a Neuronal convergence Fig 9.7 Threshold good Neuron receives positive or negative signals, which sum up and that determines whether a signal will occur Temporal summation Fig 9.8a,b At some inhibitory synapses Cl- channels act as shunts Fig 9.6 Pre-synaptic facilitation Fig 9.9...
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This note was uploaded on 04/03/2008 for the course CELL BIO & 356 taught by Professor Merrill during the Spring '08 term at Rutgers.

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