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Learn about the anatomy and function of various blood vessels in the body, including the heart, arteries, veins, and capillary beds. Explore the importance of maintaining homeostasis through circulation.
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Review Heart Test Notes – blood vessels Atherosclerosis article "Learning is not attained by chance, it must be sought for with ardor and attended to with diligence." Abigail Adams, 1780 (in a letter to son, John Quincy Adams) . Title: Anat & Phys 4/17/07 Class Topics Objectives: Sunday, January 5, 20203:07 PM
Class Assignments What By When • How does circulation vary… 4/17/07 • Read Atherosclerosis article 4/19/07 • Due this class period • Due next class period • Due in the future
From: http://www.people.virginia.edu/~dp5m/phys_304/figures/capillary_bed.jpg Capillary bedsFig 13-14 • What purpose do these serve in maintaining homeostasis?
From: http://www.people.virginia.edu/~dp5m/phys_304/figures/19-17a_pulmnrycirc.jpg
From: http://www.people.virginia.edu/~dp5m/phys_304/figures/19-18_systemcirc.jpg
Branches of the Aorta • Ascending aorta • Coronary arteries • supply blood to the heart • blockage can lead to myocardial infarction • Arch of the Aorta • Brachiocephalic artery • left common carotid artery • Left subclavian artery
Branches of the Aorta • Descending Aorta • intercostal arteries • celiac artery • superior mesenteric artery • suprarenal arteries • renal arteries • gonadal arteries • inferior mesenteric artery • common iliac arteries
Celiac Artery • Branches into • Gastric artery • Hepatic artery • Splenic artery • Pancreatic artery
From: http://www.personal.psu.edu/ faculty/s/x/sxd5/Arteries.gif
Common Iliac Arteries • Internal iliac artery • External iliac artery • Deep femoral artery • Femoral artery • Popliteal artery • Anterior tibial artery • Posterior tibial artery
Brachiocephalic • Right common carotid artery • External carotid artery - scalp, face, jaw • internal carotid artery - brain • Right subclavian artery • Vertebral artery (branch) • Axillary artery • Brachial artery • Radial artery • Ulnar artery
Left Common Carotid and Left Subclavian • Same branching as right side • No brachiocephalic
Systemic Veins • Superior vena cava drains the body superior to the heart • Inferior vena cava drains the body inferior to the heart • Coronary sinus drains the heart wall (myocardium)
Superior vena cava • Right and left brachiocephalic veins • subclavian veins • Axillary veins • Brachial veins • Ulnar veins • Radial veins • jugular veins • interior jugular vein • exterior jugular vein
Inferior vena cava • Hepatic vein • Renal veins • Common Iliac veins • Gonadal veins (rt enters the CI, but left enters the renal vein) • Internal iliac veins
Inferior Vena Cava • External iliac veins • Femoral veins • Great saphenous vein - longest in body • Popliteal • Posterior tibial vein • Anterior tibial vein
Hepatic Portal System • Blood from the small intestines, large intestines, stomach all enter the portal system • inferior mesenteric vein and superior mesenteric vein enter the hepatic portal vein to the liver
Blood movement • Trace the blood from the heart to the left arm and back to the heart. • Trace the blood from the heart to the right leg and back to the heart. • Trace the blood from the heart to the small intestine and back to the heart. • Trace the blood from the heart to the left gonad (this of course depends upon your gender) and back to the heart.