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Blood and Nerve Supply of the Digestive System (Nursing)

by Jasmine Clark

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    00:01 So now let's look at the blood circulation that occurs in our digestive organs.

    00:07 The arteries that branch off of the aorta are going to serve the digestive organs and their referred to as splanchnic arteries.

    00:16 These include the hepatic, the splenic, and the left gastric artery.

    00:23 And also the inferior and superior mesenteric arteries.

    00:29 Blood leaving from digestive circulation is going to enter into hepatic portal circulation.

    00:37 This is going to drain the nutrient-rich blood that is returning from our digestive organs and deliver that blood to the liver for processing.

    00:49 So now let's look at how the GI tract is innervated.

    00:54 The GI tract has its own nervous system.

    00:57 And this is referred to as the enteric nervous system or the gut brain.

    01:03 The gut brain is made up of enteric neurons that communicate extensively with each other.

    01:10 They contain more neurons than the spinal cord and are the major nerve supply to the GI tract wall that controls motility of the GI tract.


    About the Lecture

    The lecture Blood and Nerve Supply of the Digestive System (Nursing) by Jasmine Clark is from the course Gastrointestinal System – Physiology (Nursing).


    Included Quiz Questions

    1. Drains nutrient-rich blood from digestive organs
    2. Delivers blood to liver for processing
    3. Delivers nutrient-rich blood to digestive organs
    4. Drains blood from liver for processing
    5. Drains oxygenated blood from the lungs
    1. Enteric nervous system
    2. Hepatic nervous system
    3. Parietal nervous system
    4. Splanchnic nervous system

    Author of lecture Blood and Nerve Supply of the Digestive System (Nursing)

     Jasmine Clark

    Jasmine Clark


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