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CalebLeidichVessels (Arteries (Elastic (Muscular (Arteriole (Terminal…

- - - - Arteriole
        
        ▪smallest artery
        ▪lead to capillary beds
        ▪wall of only tunica intima with few smooth muscle cells
        ▪regulate blood flow into capillary beds
        
        Terminal arteriole
        
        Capillary bed
        
        Fenestrated capillary
        
        ▪Fenestrations(oval pores)
        ▪allows easier passage of fluids and small solutes
        ▪found in kidney, endocrine organs, small intestine, or filtrate formations
        ▪fenesftrations covered by glycoprotein
        
        Sinusoid capillary
        
        ▪Found in bone, liver, and spleen.
        ▪most permeable
        ▪Slows down flow of blood to be modified
        ▪Large intracellular cleats
        ▪fewer tight junctions
        ▪Large irregular shaped lumen
        ▪incomplete basement membrane
        
        Continuous capillary
        
        ▪found In skin, muscles, lungs, and CBS
        ▪most common capillary
        ▪have intracellular cleats
        ▪basic level of exchange of nutrients, and waste
        ▪intracellular cleft not found in brain capillaries
        
        Precapillary sphincter
        
        Metarteriole
        
        Thoroughfare channel
        
        True capillaries
        
        1 more item...
        
        Can close to cause blood to flow right through the vascular shunt
      - ▪has thickest tunica media
        ▪vasoconstruction
        ▪vasodilation
        ▪deliver blood to specific organs
        ▪most smooth muscle
        ▪