pseudocyst

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Introduction

An accumulation of fluid in a cyst-like loculus, but without an epithelial or other membranous lining.
A cyst whose wall is formed by the host & not the parasite.
A mass of 50 or more Toxoplasma bradyzoites, found within a host cell, frequently in the brain; formerly called a pseudo- cyst, but now considered a true cyst enclosed in its own membrane within the host cell that may rupture to release particles that form new cysts, & apparently is infective to another vertebrate host.