Lecture Notes Bio 109, Fall 2010, Dr. Catherine LoudonLecture 16 – 11/01/10 – Blood vessels, blood pressure regulation 1)Announcements: Reminders: Test 2 is one week from today a)Quiz 5 closes today, Quiz 6 opens today b)Will schedule extra office hour this week in addition to usual (Tu, 9-10 am) 2)Your questions – What is heart disease? What is a heart attack? a)Useful sites or links i)Mayo Clinic ii)Centers for Disease Control iii)HealthiNation (good videos on atherosclerosis and coronary artery disease) (1)Watched first 2 minutes of movie http://www.healthination.com/heart_disease.php?bcpid=1119651433&bclid=151750039&bctid=203710699 iv)American Heart Association v)National Heart, Lung, and Blood Inst. (NIH) 3)Blood vessels a)Arrangement, different types (Fig. 15-1) b)Structure (Fig. 15-2; note sizes of vessels not drawn to scale) 4)Flow through capillary beds (Fig. 15-3, 15-16) a)Modified by smooth muscles in arteriole walls and precapillary sphincters b)Bypass through metarterioles 5)Angiogenesis – development of new blood vessels a)
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Blood Pressure regulation, new blood vessels, Dr. Catherine Loudon