Regeneration And Repair

Question 1

Give 2 labile tissues

Answer 1

Epithelium

Haemopoietic tissue

Question 2

Name 3 stable tissues.

Answer 2

Liver parenchyma
Fibrous tissue
Endothelium

Question 3

Give two permanent tissue types.

Answer 3

Neural tissues

Cardiac muscle

Question 4

What rate do peripheral nerves sporty axons at?

Answer 4

1 - 3mm/day

Question 5

What is a traumatic neuroma?

Answer 5

Trauma causing a swelling of neurones to form

Question 6

What is the difference between a keloid scar and a hypertrophic scar?

Answer 6

Hypertrophic scar is contained within its boundaries.

Question 7

What is proud flesh?

Answer 7

Excessive granulation tissue formation blocking the epithelia covering the wound.

Needs to be cut out.

Question 8

What is scurvy?

Answer 8

Vit C = co-factor for prolly hydroxylase which is needed for vitamin C synthesis.

Question 9

Why in scurvy may old scars break down and open up as fresh wounds?

Answer 9

Collagen turnover is higher than normal - new collagen replaced by old defective collagen.

Question 10

Why does cartilage heal poorly?

Answer 10

Avascular