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Blood Vessels

PART 4. Blood Vessels. Veins of the Head and Neck. Dural Sinuses Superior and inferior sagittal sinuses Straight sinus Transverse sinuses Sigmoid sinus. Figure 19.20b. Veins of the Head and Neck. Venous drainage Internal jugular veins External jugular veins Vertebral veins.

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Blood Vessels

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  1. PART 4 Blood Vessels

  2. Veins of the Head and Neck • Dural Sinuses • Superior and inferior sagittal sinuses • Straight sinus • Transverse sinuses • Sigmoid sinus Figure 19.20b

  3. Veins of the Head and Neck • Venous drainage • Internal jugular veins • External jugular veins • Vertebral veins Figure 19.20a

  4. Veins of the Upper Limbs • Deep Veins • Follow the paths of companion arteries • Have the same names as the companion arteries • Superficial veins • Visible beneath the skin • Cephalic vein • Basilic vein • Median cubital vein • Median vein of the forearm

  5. Veins of the Right Limb Figure 19.21a

  6. Antecubital Fossa • Form anastomese frequently • Median cubital vein is used to obtain blood or administer IV fluids Figure 19.22

  7. Veins of the Thorax • Azygos vein • Hemiazygos vein • Accessory hemiazygos vein Figure 19.21b

  8. Veins of the Abdomen • Lumbar veins • Gonadal (testicular or ovarian) veins • Renal veins • Suprarenal veins • Hepatic veins

  9. Tributaries of the Inferior Vena Cava Figure 19.23

  10. The Hepatic Portal System • A specialized part of the vascular circuit • Picks up digested nutrients • Delivers nutrients to the liver for processing

  11. The Basic Scheme of the Hepatic Portal System Figure 19.24

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