action%20potential%202007%20for%20web

Action potential%2 - Agitoxin Scorpion Blocks potassium channels alpha-bungarotoxin Krait(snake Blocks acetylcholine(nicotinic receptor Anatoxin

Info iconThis preview shows pages 1–27. Sign up to view the full content.

View Full Document Right Arrow Icon
Outline for Today
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The Nernst equation 1920 Nobel Prize (work at age 25)
Background image of page 2
The Nernst Equation
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Concentration gradients established by ion pump
Background image of page 4
Key Terms
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Action Potentials
Background image of page 6
Sight and sound of Action Potentials
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Phases of the Action Potential
Background image of page 8
Action Potential Threshold
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Action Potential Rate
Background image of page 10
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Ionic Basis of the Action Potential
Background image of page 12
Ionic Basis of the Action Potential
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Ionic Basis of the Action Potential
Background image of page 14
Voltage-gated Na + channel
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Voltage-gated Na + channel
Background image of page 16
Voltage gated K + channel
Background image of page 17

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Summary of Action Potential
Background image of page 18
Channel mutations and disease
Background image of page 19

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Ion channel toxins: Tetrodatoxin (TTX)
Background image of page 20
...and the waters that were in the river were turned to blood. And the fish that were in the river died; and the river stank and the Egyptians could not drink of the water of the river. .. Exodus 7: 20-21 Saxitoxin (STX)
Background image of page 21

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
TEA – tetramethylammonium
Background image of page 22
Name Source Neuronal Action Agatoxin Funnel Web Spider Blocks calcium channels
Background image of page 23

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 24
Background image of page 25

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 26
Background image of page 27
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Agitoxin Scorpion Blocks potassium channels alpha-bungarotoxin Krait (snake) Blocks acetylcholine (nicotinic) receptor Anatoxin Algae Acetylcholine receptor agonist Apamin Honey bee Blocks potassium channels Atracotoxin Blue Mountains Funnel Web Spider Blocks voltage-gated calcium channels Batrachotoxi n Poison Arrow Frog Prevents sodium channels from closing beta-bungarotoxin Krait (snake) Inhibits release of ACh at neuromusuclar junction and blocks potassium channels Botulinum toxin Bacteria Blocks acetylcholine release Brevetoxin Red Tide Dinoflagellate Activates sodium channels Capsaicin Cayenne Pepper Excites peripheral nerve endings Charybdotoxi n Scorpion Blocks potassium channels Local anesthetics Action Potential Propagation Action Potential Propagation Speed Multiple Sclerosis...
View Full Document

This note was uploaded on 04/29/2008 for the course NEUR 10 taught by Professor Stein/paradiso during the Fall '07 term at Brown.

Page1 / 27

Action potential%2 - Agitoxin Scorpion Blocks potassium channels alpha-bungarotoxin Krait(snake Blocks acetylcholine(nicotinic receptor Anatoxin

This preview shows document pages 1 - 27. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online