Lecture 2

Question 1

What are the different types of regeneration?

Answer 1

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Question 2

Define Regeneration?

Answer 2

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Question 3

Define Homeostatic regeneration?

Answer 3

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Question 4

Define injury induced or facultative regeneration?

Answer 4

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Question 5

What cells can do the regeneration? Which types specifically?

Answer 5

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Question 6

Define Homeostasis?

Answer 6

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Question 7

Define Facultative?

Answer 7

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Question 8

What is facultative regeneration? What animals can do this?

Answer 8

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Question 9

Define regeneration? Define repair?

Answer 9

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Question 10

What are the types of facultative regeneration?

Answer 10

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Question 11

What is epimorphosis?

Answer 11

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Question 12

What is morphallaxis?

Answer 12

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Question 13

What is compensatory regeneration?

Answer 13

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Question 14

How does salamander limb regeneration occur? What type of regeneration is it?

Answer 14

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Question 15

What is the process of salamander limb regeneration? What is needed?

Answer 15

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Question 16

What are the nerves doing during this limb regeneration process? What is released?

Answer 16

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Question 17

What happens if you denervate a limb stump? What happens if you add in nAG after denervating a limb after chopping it off?

Answer 17

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Question 18

How does a blastema form? What does it form as a result of?

Answer 18

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Question 19

What happens after blastema formation?

Answer 19

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Question 20

How does specification happen from the undifferentiated blastema? What genes are involved?

Answer 20

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Question 21

What type of cells can change into other cells after amputation during regeneration? Why?

Answer 21

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Question 22

How is positional memory maintained? What does this result in after amputation?

Answer 22

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Question 23

What is the retinoic acid gradient? What is a consequence of this?

Answer 23

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Question 24

What does retinoic acid expression control?

Answer 24

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Question 25

What levels of retinoic acid do the different blastema express? What does this result in?

Answer 25

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Question 26

What happens if a proximal blastema is removed and a distal blastema is grafted to proximal stump?

Answer 26

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Question 27

What is proximal-distal deletion?

Answer 27

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Question 28

What happens is a proximal blastema is placed on a distal stump? Why?

Answer 28

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Question 29

What is proximal-distal duplication? What does it lead to in salamanders?

Answer 29

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Question 30

Where is there intercalation? Where is there not intercalation?

Answer 30

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Question 31

How can the retinoic acid disrupt the proximal-distal axis?

Answer 31

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Question 32

Why do you not give vitamin A to a pregnant lady?

Answer 32

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Question 33

How does intercalation happen in insects? How is it different to the salamander?

Answer 33

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Question 34

If you add retinoic acid to a distal blastema what would happen?

Answer 34

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Question 35

What regeneration occurs in the Liver? Why?

Answer 35

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Question 36

How does "regeneration" happen in the liver?

Answer 36

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Question 37

What is morphallaxis? What is an example?

Answer 37

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Question 38

What in humans potentially be an example of morphallaxis?

Answer 38

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