Oesophagus and stomach

by James Pickering, PhD

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    So the oesophagus and the stomach are really important in the process of digestion. The oesophagus, obviously, because it carries food or bolus to the stomach from the oral cavity and then the stomach is going to continue this process of mechanical and chemical digestion. So in this lecture we going to start off by looking at the surface anatomy, the position of the oesophagus in the stomach and then look at the oesophagus and stomach individually. Looking at the blood supply and the anatomy of the oesophagus in the abdomen and then we going to move on to the stomach and look into the structure. Talk a little bit about the gastric ulcers, how they formed. And also look at the blood and nerve supply of the stomach. So if we start off with just nice key facts about the oesophagus. While the oesophagus is a hollow its a muscular tube and its about 25 cm long, but obviously this can vary from person to person and has a diameter of about 2cm. It’s a muscular tube and it carries out peristalsis and that means this contraction of the muscles, muscle fiber allows the food to pass down from the pharynx in your throat to the stomach. To do that it has to pass through the through the thorax and it runs posterior to both the trachea and the heart. So in your neck the most anterior you can feel the trachea and immediately posterior to that you have the oesophagus and then it runs directly posterior to the heart. It then open ups into the stomach, which is really this muscular expansion of the gastrointestinal tract. And if you remember from the surface anatomy, it is located within the epigastrium and umbilical region. Sometimes it extends across into...

    About the Lecture

    The lecture Oesophagus and stomach by James Pickering, PhD is from the course Abdominal and Pelvic Anatomy. It contains the following chapters:

    • Oesophagus and stomach
    • Oral cavity and pharynx
    • Structures of the stomach
    • Stomach ulcers
    • The vasculature of the stomach
    • Conclusion

    Quiz for lecture

    Test your knowledge with our quiz for lecture Oesophagus and stomach.

    1. T10
    2. T6
    3. T8
    4. T12
    1. left atrium
    2. right atrium
    3. right ventricle
    1. Diaphragm
    2. Pancreas
    3. Kidney
    1. fundus
    2. pylorus
    3. body
    4. antrum
    1. Right gastro-omental
    2. Left gastro-omental
    3. Right gastric
    4. Left gastric

    Author of lecture Oesophagus and stomach

     James Pickering, PhD

    James Pickering, PhD

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