LA 3

• What is the first section of the aorta called?

  Ascending aorta
• What role does the ascending aorta play in the body?

  Delivers oxygen-rich blood to the body
• What is the largest blood vessel in the body?

  Aorta
• What branches from the aortic arch?

  Brachiocephalic trunk
• What does the left subclavian artery differ in?

  Differences between species
• What arteries branch from the brachiocephalic trunk?

  Left subclavian and right subclavian arteries
• Which artery is below the transverse thoracic muscle?

  Internal thoracic artery
• What is unique about the dog's vascular system?

  No bi-carotid trunk, no left azygos vein
• How does the subclavian artery differ in cattle?

  Attached to the brachiocephalic trunk
• Where does the pulmonary trunk attach in Suidae?

  Much further to the aorta
• How many lumbar arteries are there in the abdominal aorta?

  Multiple lumbar arteries
• What does the celiac artery supply?

  Left gastric, hepatic, and splenic arteries
• What is the function of the right azygos vein?

  Receives blood from intercostal veins
• What does the thoracic duct do?

  Drains lymph from the entire body
• What are the parts of the lymphatic system?

  • Capsule
  • Subcapular sinus
  • Cortex
  • Medulla

  
• What lymph nodes are found in the neck?

  Superficial and deep cervical lymph nodes
• What is the function of the phrenic nerve?

  Supplies the diaphragm for breathing
• How many cervical spinal nerves are there?

  8 cervical spinal nerves
• What is the lumbosacral plexus responsible for?

  Supplying nerves to the lower limb
• How many thoracic vertebrae do horses have?

  18 thoracic vertebrae
• What is the iliohypogastric nerve associated with?

  L1 lumbar nerve
• How many caudal nerves are there?5 caudal nerves?

  4-5