Blood in the toes returns by the digital veins. These veins take blood to the dorsal metatarsal veins and the dorsal venous arch veins. On the underside of the foot are the plantar veins. Blood moves up the leg by the posterior and anterior tibial veins and the great and small saphenous veins. The anterior and posterior tibial veins join together to form the popliteal vein posterior to the knee. The small saphenous vein joins the popliteal vein taking blood to the femoral vein. The great saphenous vein begins around the medial malleolus and runs the entire length of the medial lower limb when it enters into the femoral veins. Once the femoral vein crosses the inguinal ligament it becomes the external iliac vein.
Answer Key: a. External iliac v., b. Femoral v., c. Deep femoral v., d. Anterior tibial v., e. Dorsal venous arch, f. Dorsal metatarsal v., g. Digital v., h. Great saphenous v., i. Popliteal v., j. Small saphenous v., k. Posterior tibial v., I. Plantar v.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.