eight.evil.ex
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Hello!

This is a thread to ask questions and talk about the biology A Level exams.(Also an excuse to get my questions answered )

--Can anybody explain me the formation of atherosclerosis because the textbook clearly couldn't.
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TSR Learn Together
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shaimus
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Hey guyz pl help me with the as/a2 biology syllabus as u know we don't have mych time ..can someone please send me the syllabus
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Just ZK
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(Original post by eight.evil.ex)
Hello!

This is a thread to ask questions and talk about the biology A Level exams.(Also an excuse to get my questions answered )

--Can anybody explain me the formation of atherosclerosis because the textbook clearly couldn't.
-the wall of an artery is made up of several layers
-the endothelium(inner linings) is usually smooth and unbroken
-if damge occurs to the endothelium (eg by high blood pressure) there will be an inflamatory response — this is where white blood cells ( mostly macrophages) move into the Area
-these wbc and lipids(fats)from the blood clump together under the endothelium to form fatty streaks
-over time, more wbc's lipids and connective tissue build up and harden to forma fibrous plaque called an atheroma
-this plaque partially blocks the lumen of the artery and restricts blood flow, which causes blood pressure to increase
-the hardening of arteries, caused by atheromas, is called atherosclerosis.
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eight.evil.ex
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(Original post by Just ZK)
-the wall of an artery is made up of several layers
-the endothelium(inner linings) is usually smooth and unbroken
-if damge occurs to the endothelium (eg by high blood pressure) there will be an inflamatory response — this is where white blood cells ( mostly macrophages) move into the Area
-these wbc and lipids(fats)from the blood clump together under the endothelium to form fatty streaks
-over time, more wbc's lipids and connective tissue build up and harden to forma fibrous plaque called an atheroma
-this plaque partially blocks the lumen of the artery and restricts blood flow, which causes blood pressure to increase
-the hardening of arteries, caused by atheromas, is called atherosclerosis.
Thank you so much!!
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