Related Experiment Video

Updated: May 2, 2026

Bladder Smooth Muscle Strip Contractility as a Method to Evaluate Lower Urinary Tract Pharmacology
10:26

Bladder Smooth Muscle Strip Contractility as a Method to Evaluate Lower Urinary Tract Pharmacology

Published on: August 18, 2014

25.7K

Comparative effects of metoclopramide and bethanechol on lower esophageal sphincter pressure in reflux patients

R W McCallum, M M Kline, N Curry

    Gastroenterology
    |May 1, 1975
    PubMed

    More Related Videos

    Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring06:46

    Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring

    Published on: December 14, 2020

    2.8K
    Robotic Myotomy and Partial Fundoplication for Achalasia11:19

    Robotic Myotomy and Partial Fundoplication for Achalasia

    Published on: August 11, 2023

    2.3K

    Related Concept Videos

    Drugs Affecting GI Tract Motility: Dopamine Receptor Antagonists01:28

    Drugs Affecting GI Tract Motility: Dopamine Receptor Antagonists

    Prokinetic agents are specialized medications that stimulate gastrointestinal (GI) motility, promoting food movement through the GI tract. Dopamine, an inhibitory neurotransmitter, plays a significant role in this process, reducing GI motility and indirectly controlling the speed of digestion. Dopamine receptor antagonists, such as metoclopramide and domperidone, offer a unique advantage as prokinetic agents. By blocking the dopamine receptors, these drugs increase GI motility, improving food...
    2.0K
    Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists01:23

    Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists

    Serotonin, a crucial neurotransmitter synthesized by enterochromaffin cells, plays a cardinal role in regulating gastrointestinal (GI) motility. With over 90% of the body's total serotonin in the GI tract, its influence on digestive processes is profound. Serotonin is swiftly released upon various stimuli, such as food boluses or certain drugs, triggering intrinsic sensory neurons in the myenteric plexus and extrinsic vagal and spinal sensory neurons. This leads to the activation of the...
    1.4K
    Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

    Gastroesophageal Reflux Disease II: Clinical Features and Management

    Gastroesophageal reflux disease, or GERD, is a persistent medical condition that affects many individuals worldwide. Its clinical manifestations can vary greatly, making diagnosis and management challenging for healthcare professionals. The following is a comprehensive overview of the clinical manifestations, assessment, and management strategies for GERD.
    Clinical Manifestations
    GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
    1.1K
    Barrett Esophagus-II: Clinical Manifestations and Management01:21

    Barrett Esophagus-II: Clinical Manifestations and Management

    Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
    To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
    1.8K
    Esophageal Achalasia01:27

    Esophageal Achalasia

    Esophageal achalasia is a chronic neurogenic disorder characterized by impaired relaxation of the lower esophageal sphincter (LES) and absent or ineffective peristalsis in the distal esophagus. This leads to a functional obstruction without a physical blockage, despite significant disruption of esophageal motility.EtiologyAchalasia is caused by degeneration of the myenteric (Auerbach's) plexus, specifically the loss of inhibitory ganglion cells that produce vasoactive intestinal peptide...
    45
    Gastroesophageal Reflux Disease01:25

    Gastroesophageal Reflux Disease

    Gastroesophageal reflux disease (GERD) is the backward flow of stomach contents (acid, pepsin, or bile) into the esophagus, causing mucosal inflammation known as esophagitis. It results from failure of antireflux mechanisms, mainly the lower esophageal sphincter (LES), influenced by mechanical and physiological factors.Etiology and Risk FactorsGERD develops when LES function is weakened or when intra-abdominal pressure increases. Risk factors include aging, obesity, and sliding hiatal hernia,...
    46