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Chapter 2: Electrical Signals of Nerve Cells
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depolarization:Displacement of a cell's membrane potential toward a less negative value
hyperpolarization:The displacement of a cell's membrane potential toward a more negative value
ion channels:Integral membrane proteins possessing pores that allow only certain ions to diffuse across cell membranes, thereby conferring selective ionic permeability
overshootphase:The peak, positive-going phase of an action potential, caused by high membrane permeability to a cation such as Na+ or Ca2+
receptorpotential:The membrane potential change elicited in receptor neurons during sensory transduction. Also called generator potential
risingphase:The initial, depolarizing, phase of an action potential, caused by the regenerative, voltage-dependent influx of a cation such as Na+ or Ca2+
thresholdpotential:The level of membrane potential at which an action potential is generated
undershoot:The final, hyperpolarizing phase of an action potential, typically caused by the voltage-dependent efflux of a cation such as K+
Chapter 2: Electrical Signals of Nerve Cells
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- Displacement of a cell's membrane potential toward a less negative value
- The level of membrane potential at which an action potential is generated
- The displacement of a cell's membrane potential toward a more negative value
| - The membrane potential change elicited in receptor neurons during sensory transduction. Also called generator potential
- The peak, positive-going phase of an action potential, caused by high membrane permeability to a cation such as Na+ or Ca2+
- The final, hyperpolarizing phase of an action potential, typically caused by the voltage-dependent efflux of a cation such as K+
| - The initial, depolarizing, phase of an action potential, caused by the regenerative, voltage-dependent influx of a cation such as Na+ or Ca2+
- Integral membrane proteins possessing pores that allow only certain ions to diffuse across cell membranes, thereby conferring selective ionic permeability
|
© 2012
PuzzleFast.com, Noncommercial Use Only
Chapter 2: Electrical Signals of Nerve Cells
P | V | H | Y | V | Y | O | M | U | J | E | L | C | D | M | U | C | A | U | Z | R |
M | Z | E | Y | B | Q | T | L | X | S | T | E | E | V | V | W | X | H | J | J | Q |
H | G | T | N | P | N | F | F | A | B | M | S | D | U | J | Q | D | L | H | V | B |
R | V | L | H | B | E | K | M | R | D | A | Q | C | O | Q | T | T | N | Y | Q | Y |
D | L | K | Q | R | Y | R | O | U | H | H | H | Q | V | J | H | A | E | T | H | I |
E | D | Q | B | R | E | Z | P | P | F | U | S | F | J | D | E | S | E | J | R | D |
P | R | D | X | V | T | S | G | O | F | J | U | N | K | T | A | P | V | X | U | Y |
O | A | X | A | E | W | N | H | U | L | Y | V | X | X | H | L | Q | R | O | N | W |
L | R | U | Y | W | I | S | W | O | E | A | K | F | P | S | M | G | L | V | D | P |
A | R | S | C | S | C | V | W | U | L | I | R | T | Y | A | Y | L | R | S | E | I |
R | X | O | I | R | B | E | M | R | P | D | O | I | R | R | M | Q | V | J | R | O |
I | N | R | W | C | A | B | T | J | T | O | P | V | Z | K | J | G | I | W | S | N |
Z | D | E | R | O | A | A | A | E | H | W | B | O | G | A | B | X | E | Z | H | C |
A | Y | H | H | N | I | Q | M | S | I | U | M | G | T | P | T | I | Q | X | O | H |
T | J | J | D | C | G | V | R | V | R | P | D | W | Y | E | A | I | N | M | O | A |
I | X | P | P | C | B | E | Z | A | Q | T | X | I | P | F | N | V | O | V | T | N |
O | H | Z | L | T | V | S | J | W | T | I | D | L | H | P | X | T | I | N | T | N |
N | K | W | R | O | F | B | W | T | R | V | F | R | V | S | V | Z | I | X | I | E |
I | T | O | F | X | D | D | J | K | N | O | L | V | W | Z | A | A | E | A | R | L |
R | E | C | E | P | T | O | R | P | O | T | E | N | T | I | A | L | D | P | L | S |
J | B | H | G | D | I | M | K | M | L | B | U | N | I | K | Y | S | Q | L | V | G |
- DEPOLARIZATION
- THRESHOLDPOTENTIAL
- HYPERPOLARIZATION
| - RECEPTORPOTENTIAL
- OVERSHOOTPHASE
- UNDERSHOOT
| |
© 2012
PuzzleFast.com, Noncommercial Use Only