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Pronunciation: per'i-sis'te-um


  1. The tissues surrounding the urinary bladder or gallbladder.
  2. A vascular investment of a cystic tumor.

[peri- + G. kystis, bladder, cyst]

Further information

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