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Pavel [41]
3 years ago
10

What event triggers the opening of the gastroesophageal sphincter?

Medicine
1 answer:
Helga [31]3 years ago
5 0

Peristalsis in the Esophagus event triggers the opening of the gastroesophageal sphincter.

<u>Explanation:</u>

  • In the esophagus, there are two types of peristalsis occurs.The first one is a "primary peristaltic wave" occurs through which bolus enters esophagus during swallowing.
  • This "wave pushes the bolus down esophagus", into stomach in a wave lasting about 8–9 seconds.
  • The esophageal sphincter in the lower region is separated by both sympathetic and parasymphathetic nerves.
  • The pathways of vagal are a major for the relaxation of reflex of LES and this occurs in LES relaxations.
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