'Saltatory conduction' presentation slideshows

Nervous system

Nervous system. Nervous system. 2 main parts 1) Central Nervous System (CNS) Brain: central processing center Spinal cord: extends down back below brain. Nervous system. 2 main parts 2) Peripheral Nervous System (PNS) Connects CNS to muscles, sensory cells, etc.

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Descartes View

Descartes View. K&W 4-1. Luigi Galvani (1737-1798). Electrified Frogs. Luigi Galvani Frog legs attached to wire in market Electrical storm made legs move Early idea of electrical properties of nervous system. Electrical Stimulation. K&W 4-2. Neural Communication.

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NERVOUS SYSTEM

NERVOUS SYSTEM. Basic Neuron Structure. Neuroglia. Neurilemma Cell. Myelination of nerves within CNS. Saltatory Conduction.

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Chapter 2

Structure and Functions of Cells of the Nervous System. Chapter 2. Structure and Functions of Cells of the Nervous System. Sensory Neuron a neuron that detects changes in the external or internal environment and sends information about these changes to the central nervous system Motor Neuron

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Chapter 23

Chapter 23. 0. Circuits. 23 Circuits. Slide 23-2. Slide 23-3. Slide 23-4. Slide 23-5. Drawing Circuit Diagrams. Slide 23-12. Checking Understanding. The following circuit has a battery, two capacitors and a resistor.

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Neuron

Amazing List of Anatomy/Physiology Web Sites at: http://science.nhmccd.edu/biol/ap1int.htm and http://science.nhmccd.edu/biol/ap2int.htm Two Excellent Anatomy Web Pages at: http://faculty.nhmccd.edu/rchute/ and http://getbodysmart.com/. Neuron. Sodium/Potassium pump. Na/K Pump.

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Neural Transmission

Neural Transmission. Neuron Potential. Polarization is result of this selective membrane permeability Polarization : difference in electrical charge between the inside and outside of a cell (or any two points) Neuron has three critical potentials : Resting potential Action potential

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NEURON

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Electrical Signaling

Electrical Signaling. Lecture Outline. Using ions as messengers Potentials in electrical signaling Action Graded Other electrical signaling Gap junctions The neuron. Using Ions as Messengers. Important things to recall (and understand): ions are just atoms with a charge,

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Chapter 5 Nerve Cells

Chapter 5 Nerve Cells. Chris Rorden University of South Carolina Norman J. Arnold School of Public Health Department of Communication Sciences and Disorders University of South Carolina. Nerve cells. Around 100 billion neurons in the brain initially Adult stage 15 billion

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NEURON

??? ???? ?????? ??????. NEURON. Dr. Shaikh Mujeeb Ahmed Assistant prof. Physiology Al Maarefa College. Lecture slides are Prepared by Dr.Mohammed Sharique Ahmed Quadri. OBJECTIVES . By the end of this lecture you should be able to

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NEURON

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Types of Nervous Systems

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Toxicology course Case presentation Shellfish poisoning

Toxicology course Case presentation Shellfish poisoning. CK Chan UCH. Case 1. Family of three (M/44, F/34, M/10) All develop nausea, dizziness, limbs numbness shortly after taken steamed scallop at 1900 Presented to AED at 2130 with symptoms nearly completely subsided.

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Nerve Impluses

HOW MESSAGES ARE SENT. Nerve Impluses. What is a nerve impluse ?. It is a message travelling down a neuron The message comes from: Another neuron or A sensory receptor A nerve impulse is also called an ACTION POTENTIAL. Interesting Ions.

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Neural Control

Neural Control. Chapter 37. Nervous Systems two kinds of generalized cells neurons basic cells of the nervous system; nerve cells one of the four basic tissue types receive and transmit information chemical signals ? electrical impulses detection, integration, response stimuli.

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The Nervous System

The Nervous System. Chapter 48-49. What you need to know!. The anatomy of a neuron. The mechanisms of impulse transmission in a neuron. The process that leads to release of neurotransmitter, and what happens at the synapse. The components of a reflex arc and how they work.

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Electrochemical Impulse Aka: An Action Potential

Electrochemical Impulse Aka: An Action Potential. By: Rita Kumar. Discovery of electrochemical impulses. Luigi Galvani. K.S. Cole. Julius Bernstein. Sodium Potassium Pump. Steps in an Electrotonic Potential.

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Team Awesome (Action Potential/Signals Conducted by axons of neurons)

Team Awesome (Action Potential/Signals Conducted by axons of neurons). Created By: Kayla Topp , Demri Horton, Lauren Wing, Sharon Greer. Hyperpolarization. An increase in the electrical gradient across the membrane Overshooting the equilibrium for resting potential of the potassium

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