Propagation of the action potential

Question 1

Excitation of the membrane

Answer 1

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Question 2

Local currents

Answer 2

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Question 3

Direction of the local currents

Answer 3

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Question 4

Conduction of the excitation

Answer 4

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Question 5

Modelling and excitation

Answer 5

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Question 6

Equivalent circuit diagram

Answer 6

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Question 7

The cable equation

Answer 7

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Question 8

Decay of the membrane potential over time

Answer 8

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Question 9

The time constant

Answer 9

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Question 10

Distribution of the membrane potential along the fibre

Answer 10

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Question 11

The length constant

Answer 11

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Question 12

Model validity

Answer 12

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Question 13

Conduction and action potential

Answer 13

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Question 14

Conduction of action potential diagram

Answer 14

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Question 15

Nondecremental conduction

Answer 15

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Question 16

Conduction speed

Answer 16

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Question 17

Increasing conduction speed

Answer 17

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Question 18

Myelin

Answer 18

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Question 19

The myelin sheath

Answer 19

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Question 20

Depolarisation of myelinated fibres

Answer 20

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Question 21

Propagation of impulses in myelinated fibres

Answer 21

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Question 22

Advantages of saltatory conduction

Answer 22

Question 23

Blocking myelinated fibres

Answer 23

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Question 24

Demyelination and dismyelination

Answer 24

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Question 25

Demyelinating diseases

Answer 25

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Question 26

Propagation of impulses in expanding fibres

Answer 26

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Question 27

Propagation of impulses in contracting fibres

Answer 27

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Question 28

Propagation of impulses in branching fibres

Answer 28

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Question 29

Interactions between the fibres in a nerve trunk

Answer 29

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Question 30

Nerve Trunks

Answer 30

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