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pseudocyst medical definition

noun
  1. An abnormal sac that resembles a cyst but has no membranous lining. Also called adventitious cyst, false cyst.
  2. A cyst whose wall is formed by a host cell and not by a parasite.
  3. A cyst consisting of a host cell enclosing a mass of Toxoplasma parasites, usually found in the brain.

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