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Core - Pharmacology

    Chapter 22

    Drugs Affecting Gastrointestinal Motility

    22.1 : Physiology of Enteric Nervous System and Gut Health01:05

    22.1 : Physiology of Enteric Nervous System and Gut Health

    The gastrointestinal tract is protected by the barrier, comprising secretory, physical, and immune components. The secretory barrier comprises the mucus ...

    224 views
    22.2 : Enteric Nervous System: Regulation of GI Motor Activity01:11

    22.2 : Enteric Nervous System: Regulation of GI Motor Activity

    Gastrointestinal or GI motor activity is primarily regulated by the enteric nervous system or ENS, a complex network of nerves embedded within the gut ...

    299 views
    22.3 : Gastrointestinal Motility Disorders01:20

    22.3 : Gastrointestinal Motility Disorders

    Gastrointestinal, or GI motility disorders, are a group of conditions characterized by irregular movements within the GI tract, resulting from damage to ...

    260 views
    22.4 : Drugs Affecting GI Tract Motility: Dopamine Receptor Antagonists01:28

    22.4 : Drugs Affecting GI Tract Motility: Dopamine Receptor Antagonists

    Dopamine, a neurotransmitter abundant in the gastrointestinal or GI tract, is involved in GI motility. It binds to D2 receptors, lowering intragastric ...

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    22.5 : Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists01:23

    22.5 : Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists

    Serotonin, also known as 5-Hydroxytryptamine or 5-HT, is a neurotransmitter crucial for regulating gut motility. Within the GI tract, enterochromaffin ...

    209 views
    22.6 : Drugs Affecting GI Tract Motility: Bulk-Forming and Stimulant Laxatives01:22

    22.6 : Drugs Affecting GI Tract Motility: Bulk-Forming and Stimulant Laxatives

    Laxatives accelerate bowel movements, alleviating constipation. They increase intestinal water content, stimulate intestinal contractions, or lubricate ...

    186 views
    22.7 : Drugs Affecting GI Tract Motility: Other Laxatives01:20

    22.7 : Drugs Affecting GI Tract Motility: Other Laxatives

    Recall that laxatives facilitate coordinated gut movement or change stool's consistency to relieve constipation. Stool softeners, such as docusate ...

    169 views
    22.8 : Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents01:17

    22.8 : Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents

    Diarrhea is characterized by increased gut motility and secretion of water and electrolytes, leading to frequent loose stools. It may be caused by viral ...

    174 views
    22.9 : Drugs Affecting GI Tract Motility: Adsorbents as Antidiarrheal Agents01:20

    22.9 : Drugs Affecting GI Tract Motility: Adsorbents as Antidiarrheal Agents

    Diarrhea, characterized by frequent bowel movements, can lead to complications such as dehydration and electrolyte imbalance. It is primarily caused by ...

    179 views
    22.10 : Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents01:18

    22.10 : Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents

    Acute diarrhea is characterized by the rapid evacuation of watery stools. It is primarily caused by pathogens such as bacteria, viruses, or protozoa. This ...

    109 views
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