| keratocyst | Odontogenic cyst derived from remnants of the dental lamina and appearing as a unilocular or multilocular radiolucency which may produce jaw expansion; epithelial lining is characterised microscopically by a uniform thickness, a corrugated superficial layer of parakeratin, and a prominent basal layer composed of palisaded columnar cells; associated with the bifid rib basal cell nevus syndrome. (05 Mar 2000) |
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| odontogenic keratocyst | A cyst of dental lamina origin with a high recurrence rate and well-defined histologic criteria of a corrugated parakeratin surface, uniformly thin epithelium, and a palisaded basal layer. One manifestation of the basal cell nevus syndrome. (05 Mar 2000) |
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