24 Circulatory diseases - Biology141 (Physiology) 4/6/08...

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Biology141 (Physiology) Page 1 of 3 https://courses.bio.psu.edu/spring2008/biol141/Lecture%2024(2008).htm Biology141 (Physiology) Lecture 24 M. Whim DISEASES OF THE CIRCULATORY SYSTEM [1]. ATHEROSCLEROSIS. a condition in which fatty deposits form in an artery. involved in 50% of deaths in US. plaques protrude into lumen of the artery and reduce blood flow. plaques serve as sites for formation of blood clots further blockage of blood vessels. (a). How do the plaques form? (b). The involvement of cholesterol and plasma lipoproteins. high levels of blood cholesterol are associated with atherosclerosis. cholesterol in blood is bound to carrier proteins called LDL’s . LDL’s are protein covered droplets of cholesterol and other lipids. if too much LDL is produced what happens? why is diabetes a risk factor for cardiovascular disease? (c). How is atherosclerosis treated? 1.
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This note was uploaded on 04/05/2008 for the course BIOL 141 taught by Professor Viti,janehartwel during the Spring '08 term at Pennsylvania State University, University Park.

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24 Circulatory diseases - Biology141 (Physiology) 4/6/08...

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