Fig. 50-25. The internal jugular vein and its tributaries. Note the valves at the terminations of the subclavian and internal jugular veins: these are the last valves before the blood reaches the heart. (After Grant.)
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Fig. 50-25. The internal jugular vein and its tributaries. Note the valves at the terminations of the subclavian and internal jugular veins: these are the last valves before the blood reaches the heart. (After Grant.)