Human Anatomy 2300--Blood Vessels of the Lower Limbs
Human Anatomy 2300--Blood Vessels of the Lower Limbs Anatomy 2300
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This 4 page Class Notes was uploaded by Isabella Bowling on Wednesday April 6, 2016. The Class Notes belongs to Anatomy 2300 at Ohio State University taught by Dr. Burgoon in Spring2015. Since its upload, it has received 51 views. For similar materials see Human Anatomy in Anatomy at Ohio State University.
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Date Created: 04/06/16
Anatomy 2300 Lec #12 BLOOD VESSELS OF THE LOWER LIMBS --Taking oxygenated blood, as it leaves the left ventricle, and travels through the systemic circuit Left ventricle Ascending Aorta Arch of Aorta Descending Aorta Descending Thoracic Aorta Descending Abdominal Aorta Common Iliac Artery External Iliac Artery Femoral Artery --Descending aorta breaks down into 1. Descending Thoracic Aorta (superior to the diaphragm) and the 2. Descending Abdominal Aorta (inferior to the diaphragm --Descending Abdominal Aorta bifurcates into the 1. Right Common Iliac Artery and 2. Left Common Iliac Artery at the level L4. --Common iliacs bifurcate into the 1. Internal Iliacs (both go into the pelvis and buttocks) and 2. External Iliacs (both go deep to the inguinal ligament) and turns into the Femoral Ateries at the inguinal ligaments. --Femoral Artery & branches will supply the majority of the thigh, all of leg, and all of the foot. Some branches of the internal illiacs will supply the medial thigh through obturator nerve. Non-terminal branches: branch comes off, but the artery continues Terminal branch: artery ends as the branch begins with a new name. Femoral Artery branches --Deep femoral artery…. Non-terminal branch, reaches off dorso-laterally. Wraps around and supplies the posterior thigh muscles with blood. --Popliteal artery… terminal branch of the femoral nerve --Femoral artery travels through the adductor canal and adductor hiatus, to end up behind the knee where it becomes the popliteal artery Popliteal artery bifurcates into the anterior and posterior tibial artery at the bottom of the popliteal fossa. Anterior tibial artery supplies the anterior leg with blood. Turns into the Dorsalis Pedius artery at the ankle joint to supply the dorsum of the foot. Posterior tibial artery bifurcates into the fibular artery (non-terminal artery), and goes posterior to the plantar surface of the foot and bifurcates into the medial and lateral plantar arteries (both terminal) at the ankle joint. Venous Blood Flow through lower limbs --Deep veins… have the same names as the arteries, and travel ususally right next to the arteries. --Superficial veins… are found closer to the surface of the skin --All veins have valves… allows them to fight gravity and prevent backflow of blood. Starting in dorsum of foot… Plantar vein posterior tibial vein popliteal vein femoral vein external iliac vein common iliac vein inferior vena cava right atrium right ventricle lungs Superficial veins also provide another pathway… --Greater saphenous vein… largest vein in the human body. Starts in the dorsum, ascends along medial aspect of the leg, travels up the medial thigh before dumping into the femoral vein. --Small/Lesser saphenous vein… begins in the dorsum, travels up lateral aspect of the leg, goes posteriorly and dumps into the popliteal vein. Arteries Left Ventricle Ascending Aorta Arch of Aorta Descending Thoracic Diaphragm Descending Abdominal L4 = splits into left Common Iliac Artery Internal Iliac External Iliac Inguinal Superior Gluteal Artery Femoral Artery Deep Femoral Inferior Gluteal Artery Artery Adductor Obturator Artery Popliteal Artery Inferior Border of popliteus Anterior Tibial Posterior Tibial Ankle Fibular Artery Dorsalis Pedis (soleus, tibialis posterior, lateral leg) Posterior to medial malleolus Lateral Plantar Medial Plantar Veins Right Atrium of Inferior Vena Cava R. Common Iliac L. Common Iliac Internal Iliac Vein External Iliac Vein Obturator Superior Inferior Gluteal Vein Gluteal Vein Inguinal Femoral Vein Deep Femoral Vein Greater Saphenous Adductor Popliteal Vein Lesser Saphenous Inferior Border of Popliteus Anterior Tibial Posterior Tibial Fibular Vein Ankle Dorsalis Pedis Medial Plantar Lateral Plantar
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