EXPH 2115 - Lecture 8 Glossary
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8 Terms
Vascular networks in series
when blood flows in order from point A to B to C (e.g. R ventricle to lungs to L ventricle to body)
vascular networks in parallel
when blood flows from point A to either point B or C before D (e.g. L vent. to brain or kidney to R vent.)
vasculature
blood vessels
myocardium
heart muscle tissue, comprised of cardiac muscle cells (aka cardiomyocytes)
coronary arteries
systemic blood vessels off the proximal aorta that supply the myocardium with oxygenated blood
intercalated discs
connecting structures with gap junctions for electrical conduction between 2 adjacent cardiomyocytes
calcium-induced calcium release
myocardial t-tubule voltage changes opens Ca2+ channels that prolong APs & SR Ca2+ release
conduction system of the heart
specialized tissue circuit that sequentially depolarizes regions of the heart for a coordinated contraction
