Synonym for cystoid ... 1. Bladder-like, resembling a cyst. ... Synonym: cystiform, cystomorphous. ... 2. A tumour resembling a cyst, with fluid, granular, or pulpy contents, but without a capsule. ... Origin: cysto-+ G. Eidos, appearance ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973