1. Bladderlike, resembling a cyst. SYN: cystiform, cystomorphous. 2. A tumor resembling a cyst, with fluid, granular, or pulpy contents, but without a capsule. [cysto- + G. eidos, appearance]
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cys·toid 'sis-.tȯid adj resembling a bladder
cystoid n a cystoid structure specif a mass resembling a cyst but lacking a membrane called also pseudocyst
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cys·toid (sisґtoid) [cysto- + -oid] 1. resembling a cyst; called also cystiform. 2. a cystlike, circumscribed collection of softened material, differing from a true cyst in having no enclosing capsule.Medical dictionary. 2011.