Section Physiology ofthe Blood Vessels
Section 3 Physiology of the Blood Vessels
Artery Vein Tunica intima (endothelial cells Valve elastin Tunica media (smooth muscle Tr Tunica externa (loose fibrous connective tissue) Serosa (epithelial cells)
I. Physiologica Classification of blood essels
I. Physiological Classification of Blood Vessels
Aorta Artery Arteriole Sphincter Capillary Venule ena cava ○ ○ Inner diamter 4mm 30μm35 8um 20pm 5mm 3 2mm Imm 20 30J lpm2μm0.5mm 1.5mm Endothelium Elastic fiber Smooth muscle Collagenous fiber 劬时能Q爆胁 Comparision of the inner diameter, wall thickness and components between different blood vessels
Metarteriole (forming arteriovenous shunt Precapillary sphincter Arteriole Capillaries Artery Vein Blood flow Blood Heart and Circu