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Related Experiment Videos

Enteric nervous system patterning in the avian hindgut.

Adele M Doyle1, Drucilla J Roberts, Allan M Goldstein

  • 1Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA.

Developmental Dynamics : an Official Publication of the American Association of Anatomists
|March 3, 2004
PubMed
Summary

This study details the normal development of the enteric nervous system (ENS) in avian hindgut. Understanding this process is key to studying intestinal disorders like Hirschsprung

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Area of Science:

  • Neuroscience
  • Developmental Biology
  • Gastroenterology

Background:

  • The enteric nervous system (ENS) regulates gastrointestinal function.
  • ENS development abnormalities cause intestinal disorders, such as Hirschsprung's disease.
  • The distal hindgut's unique developmental features are implicated in these disorders.

Purpose of the Study:

  • To characterize the normal spatiotemporal development of the ENS in the avian hindgut.
  • To establish a baseline for studying ENS developmental abnormalities.

Main Methods:

  • Utilized avian hindgut model.
  • Observed neural crest cell migration and differentiation.
  • Analyzed plexus formation and timing.

Main Results:

Related Experiment Videos

  • Neural crest cells populate the hindgut starting at embryonic day 8 (E8).
  • ENS plexuses are patterned by embryonic day 9 (E9).
  • Submucosal layer colonization and neuronal differentiation precede the myenteric layer.
  • The avian cloaca exhibits a distinct ENS pattern with a disorganized myenteric plexus and a flattened nerve of Remak.

Conclusions:

  • Detailed mapping of avian hindgut ENS development provides a foundation for future research.
  • The avian model is valuable for investigating congenital intestinal disorders.
  • Unique cloacal ENS development warrants further investigation.