BIOL 1119 Lecture Notes - Lecture 3: Coronary Sinus, Diastole, Antibody
22 Jan 2017
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Karina da rosa: circulation, coronary circulation i. ii. Critical for bringing blood in order to exchange with heart tissue. The heart at rest: coronary blood vessels supply myocardium with circulating blood (5% that is available to the whole body, disproportionate supply of blood : heart is hard working iii. Portal system: blood flow that reaches two capillary beds before returning to the heart, types of portal systems, hypothalamus to anterior pituitary, kidneys c. Intestines and liver: any point where two blood vessels merge, three types of anastomoses iii, arteriovenous anastomosis (shunt : artery to vein) i. ii. Seen in the fingers, palms, toes and ears. Blood flows from an artery straight to a veins (bypasses the capillary bed entirely: help reduce heat loss, venous anastomosis (vein to vein) i. One vein empties into another vein: two different ways that the blood is leaving the organ to return to the heart, arterial anastomosis (artery to artery) i.
