Related Experiment Video

Updated: Aug 11, 2026

Gastrointestinal Motility Monitor (GIMM)
08:15

Gastrointestinal Motility Monitor (GIMM)

Published on: December 2, 2010

5-Hydroxytryptamine and narcotic-analgesics interactions in the intestine

L F Oliveira, A D Bretas, R T Sudo

    General Pharmacology
    |August 1, 1976
    PubMed

    More Related Videos

    Assessment of Morphine-induced Hyperalgesia and Analgesic Tolerance in Mice Using Thermal and Mechanical Nociceptive Modalities07:23

    Assessment of Morphine-induced Hyperalgesia and Analgesic Tolerance in Mice Using Thermal and Mechanical Nociceptive Modalities

    Published on: July 29, 2014

    The Sciatic Nerve Cuffing Model of Neuropathic Pain in Mice07:09

    The Sciatic Nerve Cuffing Model of Neuropathic Pain in Mice

    Published on: July 16, 2014

    Related Concept Videos

    Analgesia and Pain Management01:25

    Analgesia and Pain Management

    Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
    Opioid Analgesics: Morphine and Other Natural Cogeners01:20

    Opioid Analgesics: Morphine and Other Natural Cogeners

    Opioids are a class of drugs that mimic endogenous opioid peptides and act on opioid receptors, and help in pain relief. These compounds are classified as natural, synthetic, or semi-synthetic. Natural opioids, like morphine, codeine, and thebaine, are derived from the opium poppy plant (Papaver somniferum or Papaver album) and are termed opiates. Synthetic opioids are artificial, while semi-synthetic opioids combine natural and synthetic compounds. Morphine, a prototypical opioid, possesses a...
    Opioid Analgesics: Synthetic and Semisynthetic Opioids01:15

    Opioid Analgesics: Synthetic and Semisynthetic Opioids

    Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
    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...
    Drugs Affecting GI Tract Motility: Other Laxatives01:20

    Drugs Affecting GI Tract Motility: Other Laxatives

    Laxatives are primarily used to alleviate constipation, a common gastrointestinal disorder characterized by infrequent bowel movements and difficulty passing stools. They work by various mechanisms to increase the volume or frequency of bowel movements. The primary modes of action of laxatives include increasing stool bulk, softening the stool, stimulating intestinal motility, and osmotically drawing water into the intestines.
    Osmotic or saline laxatives, like magnesium hydroxide or milk of...
    Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents01:17

    Drugs Affecting GI Tract Motility: Opioids as Antidiarrheal Agents

    Diarrhea, a condition marked by frequent loose or watery bowel movements, can be triggered by multiple factors such as viral or bacterial infections, food intolerances, anxiety, medications, and digestive disorders. Symptoms may include abdominal pain, bloating, nausea, and cramping. Severe or prolonged diarrhea can lead to complications like electrolyte imbalances, malnutrition, and dehydration if left untreated.
    Opioids, widely used antidiarrheal agents, mitigate diarrhea by slowing down...