PSL301H1 Lecture Notes - Lecture 10: Windkessel Effect, Elastic Fiber, Blood Vessel
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PSL301H1 Full Course Notes
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Document Summary
Innermost layer: tunic intima: made of: endothelial cells. Medium layer: tunic media: made of: smooth muscle cells, innervated by sympathetic ns. Outermost layer: tunic externa: made of: fibrous connective tissue. Types of blood vessels: artery, arteriole, capillary, venule, vein. As they go further down route from the heart lower the pressure. Endothelial cells: act as barrier to prevent nutrients from escaping. Arteries: high amounts of many types of tissue maintain strength & pressure, high elastic tissue [windkessel effect, high smooth muscle [structure, high fibrous tissue [structure] Arterioles: mainly made of smooth muscle function of squeezing & relaxing muscle walls. Capillaries: made of single endothelial cell layer for materials exchange. Veinules: made up of fibrous tissue, not much else. Veins: healthy balance across all tissue types (endothelium, elastic tissue, smooth muscle, and fibrous tissue) High at arteries, and decreases through the system.
