Is There a Relationship Between an Area of Muscular Deficiency and the Vascularisation of the Dorsal Wall of the Hypopharynx and Zenker’s Diverticulum?

  • J. Mebis
  • K. Geboes
  • V. Desmet
Conference paper


A previous study on the human pharyngo-esophageal sphincter revealed the micro-anatomical organization of its motor innervation and arterial supply [1]. During the vascular injection studies it became evident that not only the arterial supply, but also the venous drainage of the sphincter area is highly characteristic. It turned out that the intramural venous bed is drained by veins traversing the upper part of the cricopharyngeus muscle. Unfortunately, few studies provide detailed data on the micro-anatomical organization of the venous drainage of the sphincter area [2–4].


Venous Drainage Venous Plexus Muscular Wall Inferior Thyroid Artery Superior Thyroid Artery 
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Copyright information

© Springer-Verlag Tokyo 1993

Authors and Affiliations

  • J. Mebis
  • K. Geboes
  • V. Desmet
    • 1
  1. 1.Laboratorium voor Histochemie en Cytochemie Department Medical ResearchLeuvenBelgium

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