Synonym for histoid ... 1. Resembling in structure one of the tissues of the body. ... 2. Sometimes used with reference to the histologic structure of a neoplasm derived from and consisting of a single, relatively simple type of neoplastic tissue that closely resembles the normal, as in certain fibromas and leiomyomas. ... Synonym: histioid. ... Or... Found on http://www.encyclo.co.uk/local/20973