Thoracic vessels

by Craig Canby, PhD

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    Welcome to this lecture on arteries and veins of the thoracic cavity. This slide lists the objectives that you, as a learner, should be able to answer at the conclusion of this lecture. First, describe the arteries of the thorax, the parent vessels that issue them and then their distribution. List the parts of the aorta found in the thorax. Describe the normal and variant branching pattern of the aortic arch. Describe the veins of the thorax, the vessels they empty into and the territory that they drain. And then, we’ll move to the summary slide and identify the key take-home messages. And then lastly, we’ll provide attribution for the images that are used throughout this presentation. This is our body map and we’ll be focused on the thoracic area and the arteries that lie within and are distributed to the thorax. And here’s a posterior view as well as to the area or region that we’ll be covering. We’re going to begin with the arteries and the two arteries of interest will be the pulmonary trunk, which we see here issuing from the right ventricle and then we have the aorta as a very close neighbor. So, a little bit about the pulmonary trunk; I don’t have to say a whole lot, it’s not very complicated. Here, again, is our pulmonary trunk, receives blood from the right ventricle so that it can be delivered to the lungs. The pulmonary trunk will divide into two pulmonary arteries. This is our left pulmonary artery. And then, diving underneath the arch of the aorta is the right pulmonary artery and then, we can see it reappear just to the right of the superior vena cava. Now, we’re going to shift to the aorta, the systemic circulation. The aorta has three parts that...

    About the Lecture

    The lecture Thoracic vessels by Craig Canby, PhD is from the course Thoracic Viscera. It contains the following chapters:

    • Arteries
    • Subclavian artery
    • Descending aorta
    • Veins
    • Brachiocephalic veins

    Included Quiz Questions

    1. Ascending
    2. Arch
    3. Descending
    1. Anterior intercostal spaces
    2. Breast
    3. Serratus anterior muscle
    4. Pectoral muscles
    5. Back structures
    1. Descending aorta
    2. Ascending aorta
    3. Arch of the aorta
    4. Internal thoracic artery
    5. Musculophrenic artery
    1. Right and left brachiocephalic veins
    2. Right brachiocephalic and right internal jugular veins
    3. Left brachiocephalic and left internal jugular veins
    4. Right brachiocephalic and right subclavian veins
    5. Right and left subclavian veins
    1. left upper posterior intercostal spaces (spaces 4-8).
    2. right upper posterior intercostal spaces (spaces 4-8).
    3. left lower posterior intercostal spaces (spaces 9-11).
    4. right lower posterior intercostal spaces (spaces 9-11).
    1. External vertebral venous plexus
    2. Internal vertebral venous plexus
    3. Basivertebral vein
    4. Intervertebral vein
    5. Veins of the spinal cord

    Author of lecture Thoracic vessels

     Craig Canby, PhD

    Craig Canby, PhD

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