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Chapter 22
The gastrointestinal tract is protected by the barrier, comprising secretory, physical, and immune components. The secretory barrier comprises the mucus ...
Gastrointestinal or GI motor activity is primarily regulated by the enteric nervous system or ENS, a complex network of nerves embedded within the gut ...
Gastrointestinal, or GI motility disorders, are a group of conditions characterized by irregular movements within the GI tract, resulting from damage to ...
Dopamine, a neurotransmitter abundant in the gastrointestinal or GI tract, is involved in GI motility. It binds to D2 receptors, lowering intragastric ...
Serotonin, also known as 5-Hydroxytryptamine or 5-HT, is a neurotransmitter crucial for regulating gut motility. Within the GI tract, enterochromaffin ...
Laxatives accelerate bowel movements, alleviating constipation. They increase intestinal water content, stimulate intestinal contractions, or lubricate ...
Recall that laxatives facilitate coordinated gut movement or change stool's consistency to relieve constipation. Stool softeners, such as docusate ...
Diarrhea is characterized by increased gut motility and secretion of water and electrolytes, leading to frequent loose stools. It may be caused by viral ...
Diarrhea, characterized by frequent bowel movements, can lead to complications such as dehydration and electrolyte imbalance. It is primarily caused by ...
Acute diarrhea is characterized by the rapid evacuation of watery stools. It is primarily caused by pathogens such as bacteria, viruses, or protozoa. This ...
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