Learning Outcomes – Gastrointestinal Motility

by Thad Wilson, PhD

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    00:00 We’ve covered some really important topics today.

    00:04 And that is GI motility.

    00:05 It’s important to be able to get things through the gastrointestinal system.

    00:11 We’ve covered three important aspects of that and one is peristalsis, slow waves, and migrating motor complexes.

    00:18 Peristalsis being one of the most important where you get a contraction of a particular substance and the relaxation ahead of that.

    00:26 Remember contraction is done by acetylcholine and that relaxation is done by vasoactive intestinal peptide.

    00:33 We looked at how swallowing works in which there is both a voluntary and involuntary component And once you enact that involuntary component, it will start at the back of the throat and move all the way down to the stomach.

    00:45 And finally, we went through gastric emptying about which substances leave the stomach first and that happened to be things like liquids leave faster than solids.

    About the Lecture

    The lecture Learning Outcomes – Gastrointestinal Motility by Thad Wilson, PhD is from the course Gastrointestinal Physiology.

    Included Quiz Questions

    1. Vasoactive intestinal peptide
    2. Histamine
    3. Gastrin
    4. Acetylcholine
    5. Norepinephrine

    Author of lecture Learning Outcomes – Gastrointestinal Motility

     Thad Wilson, PhD

    Thad Wilson, PhD

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    Great lecture
    By Lan W. on 13. July 2018 for Learning Outcomes – Gastrointestinal Motility

    Very clear explanation. Very easy to follow and understand each topic.