Blood Vessels (Yuni)

8/12/2019 Blood Vessels (Yuni)

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There are three types of blood vessels

Large arteries

Medium arteries

Small areterie and arteriolesArteries

Venulla

Medium vein

Large veinVein

Capillary


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Blood under high pressure leaves the heart and is distributed to the body by a

branching system of thickwalled arteries

The final distributing vessels, arterioles, deliver oxygen-rich blood to capillaries

Capillaries form a capillary bed (that connect the arterioles and venules), where the

interchange of oxygen, nutrients, waste products, and other substances with the

extracellular fluid occurs

Blood from the capillary bed passes into thin-walled venules,

Venules drain into small veins that open into larger veins

The largest veins, the superior and inferior venae cavae, return low-oxygen blood to

the heart


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Ascending aorta

Arch of the aorta

Thoracic aorta

Abdominal aorta


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Ascending aorta


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Thoracic aorta


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1

Coronary sinus

2

Superior vena cava

3

Inferior vena cava


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Receive blood from :great cardiac vein

middle cardiac vein

small cardiac vein


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The SVC drains the head,

neck, chest, and free upper

limbs.


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1

Internal Jugular

2

Eksternal jugular

3

Vertebral vein


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Cephalic vein

Basilic vein

Median antebrachial

vein

Superficial

vein

Radial vein

Ulnar vein

Brachial vein

Subclavian vein

Deep vein


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Brachiocephalic

vein

Azygos vein

Hemiazygos vein

Accesorry azygos veinAzygos system


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The IVC drains the

abdomen, pelvis, and free

lower limbs


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Great saphenous vein

Small saphenous veinSuperficial

vein

Posterior tibial vein

Anterior tibial vein

Popliteal vein

Femoral vein

Deep vein


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Blood Vessels (Yuni)