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[The pharyngoesophageal transition].

J Lang1, K Fischer, S Nachbaur

  • 1Anatomischen Institut der Universität Würzburg.

Gegenbaurs Morphologisches Jahrbuch
|January 1, 1989
PubMed
Summary
This summary is machine-generated.

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This study details the anatomical origins of the cricopharyngeal muscle and esophageal structures. Findings clarify the upper esophageal anatomy and its relation to surrounding structures.

Area of Science:

  • Anatomy
  • Physiology

Context:

  • The upper esophagus and its associated musculature are critical for swallowing.
  • Variations in this anatomy can impact esophageal function.

Purpose:

  • To precisely estimate the origin areas of the cricopharyngeal part of the constrictor pharyngis inferior muscle.
  • To measure the upper border of the circular and longitudinal fiber systems of the esophagus and the cricopharyngeal ligament.
  • To delineate the esophageal border visible laterally to the trachea.

Summary:

  • The study involved detailed anatomical preparations and measurements of the upper esophagus.
  • Origin areas of the cricopharyngeal muscle, esophageal fiber systems, and ligament were estimated.
  • The esophageal border adjacent to the trachea was also measured.

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Impact:

  • Provides precise anatomical data for the upper esophageal region.
  • Contributes to understanding the biomechanics of swallowing.
  • Offers a basis for comparing findings with previous research in esophageal anatomy.