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Medical Definition of Pericystium
1. 1. The tissues surrounding the urinary bladder or gallbladder. 2. A vascular investment of a cystic tumour. Origin: peri-+ G. Kystis, bladder, cyst (05 Mar 2000)
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1. 1. The tissues surrounding the urinary bladder or gallbladder. 2. A vascular investment of a cystic tumour. Origin: peri-+ G. Kystis, bladder, cyst (05 Mar 2000)