Pulmonary structures and esophagus

by Craig Canby, PhD

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    Welcome to this lecture on Pulmonary Structures and Esophagus. This slide captures the learning objectives that you should be able to answer at the conclusion of this lecture. First, describe the pleural membranes and associated recesses. Describe the trachea, its wall composition and bronchial branching pattern. Compare and contrast the features of the right and left lungs. Describe the applied anatomy in performing a thoracentesis. Describe the esophageal segments, constrictions and the layers forming its wall. Describe the locations of esophageal diverticula and the relevance of Killian’s triangle. And then we’ll summarize the key take-home messages from this lecture. Lastly, we’ll provide attribution for the images that were used throughout this presentation. Here is our body map and most of our attention is going to be focused in the pleural cavities. And then, we’ll also focus some of our attention in the mediastinum when we look at the esophagus and trachea, bronchi. This particular slide represents the rationale for talking about not only respiratory structures such as the trachea, the bronchi and the lungs, but also to include the esophagus. What is interesting, developmentally, is that the foregut derivatives will give rise not only to GI structures, but will also give rise to the pulmonary airways and the lungs. So, if we take a look at this area here, we are looking at the primitive foregut region and here we see the development of the trachea which then will lead to the development of its branching pattern and then, more distally, to the development of the lungs. Here running posterior to the development of the trachea would be the portion of the foregut that will give rise to the esophagus, the stomach and the proximal duodenum as well as GI organs: the liver, its associated biliary apparatus and then the...

    About the Lecture

    The lecture Pulmonary structures and esophagus by Craig Canby, PhD is from the course Thoracic Viscera. It contains the following chapters:

    • Pleural membranes
    • Trachea
    • The lungs
    • The esophagus

    Quiz for lecture

    Test your knowledge with our quiz for lecture Pulmonary structures and esophagus.

    1. Mediastinal pleura
    2. Cervical pleura
    3. Costovertebral pleura
    4. Diaphragmatic pleura
    1. Costodiaphragmatic recess
    2. Vertebromediastinal recess
    3. Costomediastinal recess
    1. Tertiary
    2. Secondary
    3. Primary
    1. Superior lobe of left lung
    2. Inferior lobe of left lung
    3. Superior lobe of right lung
    4. Inferior lobe of right lung
    5. Middle lobe of right lung
    1. Aorta and left bronchus
    2. Junction of pharynx and esophagus
    3. Diaphragm
    1. Junction of pharynx and esophagus
    2. Mid-esophagus
    3. Immediately superior to the diaphragm
    4. Through the esophageal hiatus of the diaphragm
    5. Immediately inferior to the diaphragm

    Author of lecture Pulmonary structures and esophagus

     Craig Canby, PhD

    Craig Canby, PhD

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