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corona radiata



  1. a fan-shaped fiber mass on the white matter (substance) of the cerebral cortex, composed of the widely radiating fibers of the internal capsule;
  2. a single layer of columnar follicular cells derived from the cumulus oophorus that anchor on the zona pellucida of the oocyte in a maturing ovarian follicle.
  3. a pattern of fine lines radiating around a solitary pulmonary nodule, passing through a zone of relative lower opacity, as seen radiologically.

Synonym(s): radiate crown

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.