L4.5.2.2: Veins that Drain into SVC and IVC

• ● Veins draining into SUPERIOR VENA CAVA

  ○ Subclavian Vein

  ○ Vertebral Vein

  ○ Internal Jugular Vein

  ○ Right and Left Brachiocephalic Veins

  ○ Zygos Vein
• ● Veins draining into SUPERIOR VENA CAVA

  ○ Subclavian Vein: receives venous blood from

  ■ The arm via the axillary vein

  ■ The skin and muscles via the external jugular vein
• ● Veins draining into SUPERIOR VENA CAVA

  ○ Vertebral Vein: drains the posterior part of the head
• ● Veins draining into SUPERIOR VENA CAVA

  ○ Internal Jugular Vein: drains the dural sinuses of the brain
• ● Veins draining into SUPERIOR VENA CAVA

  ○ Right and Left Brachiocephalic Veins: receives blood from

  ■ Subclavian veins

  ■ Vertebral veins

  ■ Internal jugular veins

  ■ They join to form the SVC, which enters the heart
• ● Veins draining into SUPERIOR VENA CAVA

  ○ Zygos Vein: drains the thorax
• ● Veins draining into INFERIOR VENA CAVA

  ○ Anterior and Posterior Tibial and Fibial Veins

  ○ Great Saphenous Veins

  ○ Right and Left Iliac Vein

  ○ Right and Left Gonadal Vein

  ○ Right and Left Renal Veins

  ○ Hepatic Portal Vein

  ○ Right and Left Hepatic Veins
• ● Veins draining into INFERIOR VENA CAVA

  ○ Anterior and Posterior Tibial and Fibial Veins: drain the legs

  ■ Posterior tibial vein drains to popliteal vein → femoral vein → external iliac vein
• ● Veins draining into INFERIOR VENA CAVA

  ○ Great Saphenous Veins: longest veins of the body

  ■ Receive superficial drainage of the legs
• ● Veins draining into INFERIOR VENA CAVA

  ○ Right and Left Iliac Vein: formed by the union of the internal and external iliac vein on its own side
• ● Veins draining into INFERIOR VENA CAVA

  ○ Right Gonadal Vein: drains the right ovary in females and right testicle in males
• ● Veins draining into INFERIOR VENA CAVA

  ○ Left Gonadal Vein: empties into the left renal vein
• ● Veins draining into INFERIOR VENA CAVA

  ○ Right and Left Renal Veins: drain the kidneys
• ● Veins draining into INFERIOR VENA CAVA

  ○ Hepatic Portal Vein: drains the digestive organs and travels through the liver before it enters the systemic circulation
• ● Veins draining into INFERIOR VENA CAVA

  ○ Right and Left Hepatic Veins: drain the liver