tunica interna (intima)

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Page 1: Tunica interna (intima)
Page 2: Tunica interna (intima)

Tunica interna (intima)

Inner layer of arteries and

veins

Endothelium made of

simple squamous

epithelial cells

Page 3: Tunica interna (intima)

Tunica media

Consists of smooth

muscle

Page 4: Tunica interna (intima)

Tunica externa (adventitia)

Made of connective

tissue

Page 5: Tunica interna (intima)

Artery

Page 6: Tunica interna (intima)

Arteriole

Small blood vessel

coming off a larger

artery

Page 7: Tunica interna (intima)

Capillary

Filled with red blood cells

Smallest of the body’s blood vessels

Page 8: Tunica interna (intima)

Venule Small blood vessel

feeding into a larger

vein

Page 9: Tunica interna (intima)

Arteriole and Venule

Compared

Arteriole

Venule

Page 10: Tunica interna (intima)

Vein

Page 11: Tunica interna (intima)

One-way valve

Page 12: Tunica interna (intima)

Oxygenated blood (red

vessels)

Page 13: Tunica interna (intima)

Deoxygenated blood

(blue vessels)