Mechanism Of Atheroma And Infarction

Question 1

What is an atheroma

Answer 1

Degradation of the walls of arteries due to accumulation of fatty deposits and scar tissue which leads to restriction of circulation and risk of thrombosis

Question 2

What is an infarction

Answer 2

Obstruction of blood supply to an organ or region of tissue by thrombus or embolus causing local death of tissue

Question 3

Describe historical view of atheroma

Answer 3

-when young fine
As you get older fat is laid down in arterial wall
Someone with an infarction the fat stores start to detach and cause thrombosis

Question 4

Role of lipoproteins and how they are taken up the cells

Answer 4

-transfer fats round the body
-taken up cells via mediated endocytosis

Question 5

Common sites of atherosclerosis

Answer 5

-larger arteries
-carotid arteries
-circle of willis
-coronary arteries
-iliac arteries
Aorta