𝔖 Bobbio Scriptorium
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Anatomy of the valve of the coronary sinus (thebesian valve)

✍ Scribed by Dr. P. Felle; J. G. Bannigan

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
285 KB
Volume
7
Category
Article
ISSN
0897-3806

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✦ Synopsis

The valve of the coronary sinus was studied in 50 hearts from dissection room cadavers. It varied from a flap that covered up to 70% of the ostium of the coronary sinus, to a few small strands of tissue. In 3 cases no valve was present. In most cases (35 out of 50), the valve covered 4 0 % of the ostium of the coronary sinus, so it is unlikely to play an important role in preventing reflux into the coronary sinus. Microscopically, the valve was found to contain layers of myocardium, most of which disappeared in the less well formed valves, but some myocardium was persistent even in the most rudimentary valves studied.

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