tunica interna (intima) inner layer of arteries and veins endothelium made of simple squamous...

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BLOOD VESSELS

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Page 1: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

BLOOD VESSELS

Page 2: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Tunica interna (intima)

Inner layer of arteries and veins

Endothelium made of simple squamous epithelial cells

Page 3: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Tunica media

Consists of smooth muscle

Page 4: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Tunica externa (adventitia)

Made of connective tissue

Page 5: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Artery

Page 6: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Arteriole

Small blood vessel coming off a larger artery

Page 7: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Capillary

Filled with red blood cells

Smallest of the body’s blood vessels

Page 8: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

VenuleSmall blood vessel feeding into a larger vein

Page 9: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Arteriole and Venule Compared

Arteriole

Venule

Page 10: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Vein

Page 11: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

One-way valve

Page 12: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Oxygenated blood (red vessels)

Page 13: Tunica interna (intima) Inner layer of arteries and veins Endothelium made of simple squamous epithelial cells

Deoxygenated blood (blue vessels)