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circular sinus

 

Definition:

  1. dural venous formation that surrounds the hypophysis, composed of right and left cavernous sinuses and the intercavernous sinuses;
  2. a venous sinus at the periphery of the placenta;

Synonym(s): scleral venous sinus

Synonym(s): circulus venosus ridleyi, Ridley circle

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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