'Threshold potential' diaporamas de présentation

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:

1.76k views • 81 slides

Chandrajit Bajaj cs.utexas/~bajaj

684 views • 51 slides

The Nerve Impulse

652 views • 43 slides

The Nervous System

The Nervous System. The NERVOUS SYSTEM controls and coordinates functions throughout the body and responds to internal and external stimuli. NEURONS are cells that transmit messages, called IMPULSES , through the nervous system.

418 views • 33 slides

Chapter 16 Control of Cardiovascular Function

537 views • 33 slides

Synapses

Synapses. By Dr.D.Fisher. Anatomy of a Synapse. Figure 8-25. Anatomy of a Synapse. Chemical Synapses Components Presynaptic terminal Synaptic cleft Postsynaptic membrane Neurotransmitters released by action potentials in presynaptic terminal Synaptic vesicles Diffusion

534 views • 28 slides

Effects of Excitatory and Inhibitory Potentials on Action Potentials

Effects of Excitatory and Inhibitory Potentials on Action Potentials. Amelia Lindgren. Overview of A Neuron. Found in brain, spinal cord and nervous system Electrically excitable Communicate via electrical and chemical synapses Made up of a soma (cell body), dendritic tree and an axon.

1.91k views • 22 slides

Effects of Excitatory and Inhibitory Potentials on Action Potentials

Effects of Excitatory and Inhibitory Potentials on Action Potentials. Amelia Lindgren. Overview of A Neuron. Found in brain, spinal cord and nervous system Electrically excitable Communicate via electrical and chemical synapses Made up of a soma (cell body), dendritic tree and an axon.

378 views • 22 slides

Instrumentation & Membrane Potential

Instrumentation & Membrane Potential. Dinaz Lahewala 2011 Biol 125. What We Did. Potential Gradient Exercise Simulated a cell and observed change in membrane potential caused by a change in [ion]. Familiarize ourselves with recording and displaying software and hardware

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Effects of Excitatory and Inhibitory Potentials on Action Potentials

Effects of Excitatory and Inhibitory Potentials on Action Potentials. Overview of A Neuron. Found in brain, spinal cord and nervous system Electrically excitable Communicate via electrical and chemical synapses Made up of a soma (cell body), dendritic tree and an axon. Axon Properties.

93 views • 9 slides