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Related Concept Videos

Hormonal Regulation01:40

Hormonal Regulation

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Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
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Regulation of the Digestive System01:25

Regulation of the Digestive System

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Digestive activity regulation hinges on three primary components. Activation is prompted by a multitude of mechanical and chemical indicators, primarily detected by receptors within the stomach and intestines' walls. These receptors predominantly respond to factors such as mechanical stretching of the organ walls, changes in pH and osmolarity, and the presence of digesting materials and their by-products.
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Hormones Secreted by the Stomach01:25

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Enteroendocrine cells, accounting for only 1% of stomach epithelial cells, play a significant role in digestion and are classified by their digestive hormone secretions.
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What is Monogastric Digestion?01:50

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The human body contains a monogastric digestive system. In a monogastric digestive system, the stomach only contains one chamber in which it digests food. Several other animal species also have monogastric digestive systems, including pigs, horses, dogs, and birds. This chapter, however, focuses on the human digestive system.
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Anatomy of the Gastrointestinal System01:26

Anatomy of the Gastrointestinal System

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The human digestive system is an intricate and essential network for nutrient absorption and waste elimination. It encompasses the gastrointestinal (GI) tract and several accessory organs.
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Intestinal Phase of Digestion01:29

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The intestinal phase of digestion is the third and final stage of the digestive process, occurring after the cephalic and gastric phases. It begins when chyme, a partially digested mixture of food and digestive enzymes, enters the small intestine from the stomach. This phase is crucial for nutrient absorption and involves complex hormonal and enzymatic interactions.
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Related Experiment Video

Updated: Mar 9, 2026

A Mouse Model of Intestinal Partial Obstruction
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Function of obestatin in the digestive system.

Yue-Xian Xing1, Liu Yang1, Hong-Yu Kuang1

  • 1Department of Endocrinology, The First Clinical Hospital of Harbin Medical University, Harbin, China.

Nutrition (Burbank, Los Angeles County, Calif.)
|January 9, 2017
PubMed
Summary

Obestatin, a peptide from the ghrelin gene, impacts digestive function by influencing gut motility, insulin, inflammation, and cell growth. Further research is needed to clarify its role in digestive diseases.

Keywords:
GastrointestinalInsulinMovementPancreatitisUlcer

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Area of Science:

  • Gastroenterology
  • Endocrinology
  • Molecular Biology

Background:

  • Physical health is intrinsically linked to digestive function; disruptions can lead to malnutrition and organ dysfunction.
  • Obestatin, a peptide hormone derived from the ghrelin gene, exhibits diverse biological activities.
  • Current understanding of obestatin's precise functions, particularly in the digestive system, remains incomplete and sometimes contradictory.

Purpose of the Study:

  • To elucidate the complex relationship between obestatin and the digestive system.
  • To consolidate existing knowledge on obestatin's multifaceted roles.
  • To offer novel insights for future therapeutic strategies targeting digestive diseases with obestatin.

Main Methods:

  • Literature review synthesizing current research on obestatin.
  • Analysis of obestatin's known effects on gastrointestinal motility, insulin secretion, inflammation, and cell proliferation.
  • Comparative analysis of studies with potentially conflicting findings regarding obestatin's functions.

Main Results:

  • Obestatin demonstrates pleiotropic effects, including suppression of gastrointestinal motility, regulation of insulin secretion, and modulation of inflammatory and apoptotic processes.
  • Evidence suggests obestatin promotes cellular proliferation within the digestive tract.
  • The diverse functions indicate potential therapeutic applications for digestive disorders, but require further clarification.

Conclusions:

  • Obestatin holds promise as a potential agent for preventing and treating digestive diseases due to its wide-ranging effects.
  • Further investigation is crucial to resolve contradictory findings and fully understand obestatin's mechanisms of action in the digestive system.
  • Clarifying obestatin's role could pave the way for innovative treatments in gastroenterology.